Jungle Dragon, Yharon

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Jungle Dragon, Yharon
Jungle Dragon, Yharon.png
AI TypeJungle Dragon, Yharon AI
Damage330 / 528 / 660 / 759 (Contact)
180 / 300 / 375 / 431 (Phase 1 Flare bomb)
180 / 300 / 345 (Phase 1 Flare dust)
200 / 336 / 420 / 483 (Flarenado)
300 / 520 / 650 / 747 (Phase 1 Infernado)
250 / 424 / 530 / 609 (Splitting fireball)
250 / 424 / 530 / 609 (Phase 2 Flare bomb)
250 / 424 / 488 (Phase 2 Flare dust)
300 / 520 / 598 (Phase 2 Infernado)
2000 / 4000 / 5000 / 5750 (Death fireball ring)
Max Life2,275,000 / 3,640,000 /
4,040,000 / 4,840,000
Defense (DR)100-200 (17-22% DR)
KB Resist100%
Immune toAll debuffs except:
Ichor (debuff)Cursed InfernoDemon FlamesShredShellfish ClapsEnraged
Coins10 Platinum Coin
Yharon map.png
Map Icon

Yharon Trophy.png "My dragon deems you an unworthy opponent." Yharon Trophy.png

Jungle Dragon, Yharon is a major post-Moon Lord boss fought in the Jungle. Yharon must be fought on two different occasions before he is fully defeated, with the second fight featuring a new and intense second phase. The player should be well equipped and prepared before summoning him as the boss is incredibly challenging.

Defeating Yharon for the first time will cause the Solar Eclipse event to be buffed, and Mothrons will begin dropping Darksun Fragments, a useful post-Moon Lord crafting material. After a buffed Mothron is defeated, Yharon's complete fight is unlocked.
Defeating Yharon the second time will provide the player with Yharon Soul Fragments and generate Auric Ore in the world, granting the player access to one of the highest tiers of equipment as well as the Eye of Extinction, used to summon the superboss Supreme Calamitas. Additionally, he drops Terminus, used to initiate the Boss Rush event.

Spawn[edit | edit source]

Yharon does not spawn on his own, and requires the player to summon him with a Dragon Egg in the Jungle.

Behavior[edit | edit source]

Yharon is incredibly fast and deadly, almost always charging the player at high speeds, dealing an extreme amount of contact damage. Between these charges, he will also perform a plethora of other deadly attacks, from firing a variety of projectiles, summoning many lingering Flarenadoes and Infernadoes, and spawning several minions to fight alongside him.

At the start of the fight, Yharon will summon 2 massive stationary Arena Infernadoes 155 blocks to the left and right of the player to serve as arena borders. Touching the Infernadoes will instantly kill the player. Successfully leaving the arena, or flying above Yharon's designated enrage height (660 / 555 blocks high) will cause Yharon to become enraged, which massively increases his speed and triples his damage until the player returns.

Yharon's speed is adjusted based on the player's max run speed and acceleration, meaning that he cannot be outrun.

Attacks[edit | edit source]

Phase 1[edit | edit source]

Subphase 1[edit | edit source]
  • Charges three times consecutively.
  • Spawns Detonating Flames which fly towards the player, attempting to deal damage by ramming them or shooting Giga FlaresGiga Flares.
  • Charges twice slowly and then once quickly.
  • Creates two Flare TornadoFlare Tornado projectiles, one of which falls to the ground and one which homes in on the player. Upon contact with a tile or the player, a large Flarenado is spawned. Flarenadoes will split apart after a certain amount of time, half of their segments being sent to the left and the other half to the right.
  • Spits a line of homing Flare BombsFlare Bombs, which explode after about 10 seconds or upon contact with tiles.
  • Upon reaching 70% / 85% / 90% health, Yharon transitions to his second subphase and reduces his defense from 200 to 180.
Subphase 2[edit | edit source]
  • Charges three times and then once quickly.
  • Flies in a loop, spawning Detonating Flames and shooting Flare DustsFlare Dusts rapidly with greatly varying horizontal velocities.
  • Charges three times slowly.
  • Flies in a loop, creating a ring of Homing Flare DustsHoming Flare Dusts that seek toward the player's initial position after a long delay.
  • Creates a Big Flare TornadoBig Flare Tornado which homes in on the player. Upon contact, a massive Infernado manifests. Shortly after spawning, every other segment of this Infernado will disappear, allowing passage through.
  • Upon reaching 40% / 60% / 80% health, Yharon transitions to his third subphase and reduces his defense from 180 to 160.
Subphase 3[edit | edit source]
  • Charges twice normally and then twice quickly.
  • Flies in a loop, creating a ring of Homing Flare Dusts that seek toward the player's initial position after a long delay.
  • Creates a homing Flare Tornado, which spawns a Flarenado upon impact.
  • Charges twice normally and then once quickly.
  • Creates a homing Big Flare Tornado, which spawns an Infernado upon impact
  • Flies in a loop, spawning Detonating Flames and shooting Flare Dusts rapidly with greatly varying horizontal velocities.
  • Upon reaching 20% / 25% / 30% health, Yharon transitions to his fourth subphase and reduces his defense from 160 to 140.
Subphase 4[edit | edit source]
  • Loses all other abilities.
  • Will begin turning invisible and teleporting above or below the player then charging one to five times, similar to Duke Fishron's 3rd phase.
  • Yharon becomes invulnerable at all times except when charging.
  • Occasionally releases Infernado-spawning Big Flare Tornadoes.

Intermission[edit | edit source]

Upon reducing Yharon's health to 10% or lower in phase 1, one of two things will happen depending on the player's current point progression.

The first time he is fought, and in any fight with him thereafter before gaining the dark sun's power, Yharon will fly away and end the fight there. All of his loot drops from the sky, except for the following:

A status message appears in the chat directing the player to the newly-buffed Solar Eclipse, wherein a Mothron must be killed (which grants the player Darksun Fragments) before they can continue the fight.

Once the player has defeated a Mothron as described above, and returned to fight him again, the battle continues proper: Yharon now becomes invulnerable and regenerates 90% of his health, transitioning into his second phase. Yharon's defense will reduce from 140 to 100, and his damage reduction will increase from 17% to 22%.

Phase 2[edit | edit source]

"The air is getting warmer around you."

  • Infernados in this phase are smaller but no longer have gaps in them and last for a longer amount of time.
Subphase 5[edit | edit source]
  • Yharon summons a Big Flare TornadoBig Flare Tornado.
  • Charges twice normally before flying horizontally while firing several gravity-affected Yharon FireballsYharon Fireballs that, upon contact with tiles, quickly launch three Yharon Fireballs into the air that rain back down. These resulting Yharon Fireballs do not split on impact.
  • Charges twice normally again before flying horizontally while releasing a wall of Homing Flare Dusts that seek toward the player's initial position after a long delay.
  • Charges twice normally once more and then flies in a loop, creating a ring of Homing Flare Dusts as well as summoning 3 of each type of Detonating Flame.
  • Upon reaching 75% / 85% / 95% health, Yharon transitions to his sixth subphase.
Subphase 6[edit | edit source]
  • Similar to subphase 5 but with several fast charges in place of the short charges.
  • Upon reaching 50% / 60% / 70% health, Yharon transitions to his seventh subphase.
Subphase 7[edit | edit source]
  • Similar to previous subphases with the new inclusion of teleports that occur right before a fast charge.
  • All charges in the subphase are fast.
  • Upon reaching 5% / 10% / 15% health, Yharon transitions to his eighth subphase.
Subphase 8[edit | edit source]
  • Loses many abilities from the previous subphases.
  • Fires far fewer projectiles but teleports much more often.
  • All attacks deal 25% more damage.

When Yharon is killed, a ring of high-damage Homing Flare DustsHoming Flare Dusts is spawned around his death point. These detonate automatically after a few seconds to allow safe retrieval of Yharon's loot.

In Expert Mode[edit | edit source]

  • Yharon switches between his attacks at a faster rate.
  • Yharon's charges are faster and done in much faster succession.

In Revengeance Mode[edit | edit source]

  • Yharon's enrage height is reduced to 555 blocks from the spawning position and the arena infernadoes spawn 125 blocks away from the starting position.
  • Yharon transitions into subphase 2 at 85% health, subphase 3 at 60% health, and subphase 4 at 25% health.
  • Yharon transitions into subphase 6 at 85% health, subphase 7 at 60% health, and subphase 8 at 10% health.
  • Charges and teleports closer to the player.

In Death Mode[edit | edit source]

  • Yharon transitions into subphase 2 at 90% health, subphase 3 at 80% health, and subphase 4 at 30% health.
  • Yharon transitions into subphase 6 at 95% health, subphase 7 at 70% health, and subphase 8 at 15% health.
  • Yharon only performs fast charges and does so more often.
  • Yharon launches more fireballs during his second phase.
  • Summons more Infernadoes in place of Flarenadoes.

Summons[edit | edit source]

Image Name Condition
Detonating Flame Detonating Flame During all subphases except subphase 4

Aftermath[edit | edit source]

Once Yharon's first phase has been defeated, the Solar Eclipse is greatly buffed and Mothrons begin dropping Darksun Fragments.

When Yharon's second phase is defeated with the player in the Jungle, the following things happen:

Notes[edit | edit source]

  • Yharon's enrage works differently from other bosses, as it is pre-determined from where the player stands when using the Dragon Egg. That number is 660 blocks in height in Normal and Expert mode and 555 blocks high in Revengeance and Death Mode.
  • If Yharon is enraged and not on screen in his second phase, he will despawn in exactly 2.5 seconds.
  • Yharon's damage reduction works differently from other bosses. Both Ichor and Cursed Inferno reduce his DR by exactly 5% (from 17% to 12% in his first phase, and from 22% to 17% after he revives).
  • Flarenadoes and Infernadoes will not deal damage for a short period after spawning, to prevent cheap hits on the player.
  • Yharon cannot be hurt by any attack that would deal more than 10% of his health in one hit, such as another mod's butcher function or an incredibly powerful weapon. When hit by such an attack, the damage is reduced to 0.
    • If Yharon is somehow instantly killed by any means, he will drop no items at all, except for Omega Healing Potions.
  • While Yharon is alive, the world is colored deeply with orange. This will only happen if the Lighting option in the Settings Menu is set to "Color" or "White". Yharon will also have afterimages on these options.
  • Yharon's defense is set every frame. As a result, the defense drop effect of the Anti-materiel Rifle has no effect as defense is instantly reset.

Tips[edit | edit source]

For more elaborate strategies on defeating Yharon, including weapon and arena recommendations, see Guide:Jungle Dragon, Yharon strategies.
  • Always be cautious when moving horizontally, as the arena infernado will instantly kill the player without warning.
    • It is advisable to put up solid blocks in front of the barrier infernadoes to prevent accidentally contacting them. The infernadoes will spawn 155 blocks away from where the player summons Yharon, but the size of the infernadoes increases with height, so it's recommended that the barrier be 127 blocks away from the starting position in order to avoid all contact with them.
      • In Revengeance and Death mode, this arena size is reduced to 125 blocks left and right so that barrier should be 97 blocks away from the starting position.
  • A good tactic to avoid Flarenadoes is to fly to the edge of the arena and let the Detonating Flames hit you, dealing no damage to you and forcing the Flarenado to spawn out of the way of the fight.
  • The Devil's Devastation is also a useful weapon due to its fast projectiles.
  • The Galaxia is a good weapon for melee users due to its ability to home in on enemies.
    • If you do use the Galaxia, it might be a good idea to trigger a Frost Moon or Pumpkin Moon in order to get the Buffs that they give you. You should also try it next to the Solar Pillar, if you get a lucky spawn.
  • The Alluvion with Wooden Arrows and Phangasm with Vanquisher Arrows are both extremely effective due to their massive damage output, especially when paired with the Elemental Quiver. Be wary, however, as the high amounts of arrow projectiles may cause FPS drops on weaker computers.
  • The SDFMG and Minigun are very effective when used with Verium Bullets and Chlorophyte Bullets due to their homing effects, allowing you to hit the boss more consistently. Keep in mind that the Chlorophyte Bullets are nerfed by 25% in the Calamity Mod.
  • The Voltaic Climax can achieve very high damage outputs especially when paired with the proper mage equipment.
  • The Reaper, despite being pre-Devourer of Gods, can deal massive amounts of damage to Yharon. The Infernal Spear is a very effective alternative after you have defeated Yharon's first phase.
  • The Empyrean Knives and Scourge of the Cosmos are very efficient for Yharon's second phase as melee and rogue weapons.
  • It is highly recommended to have an accessory equipped that allows dashing, such as the Asgardian Aegis (or Statis' Belt of Curses for summoners), in order to evade Yharon's quick movements.
  • Once Yharon reaches 20% / 25% / 30% of his health in his first phase, it can be difficult to identify his location as he will be nearly invisible and make it much harder to deal damage without homing weaponry. Having the minimap out can make this significantly easier, as his icon will show where he is.
  • The Rod of Discord is a great tool to use during the fight to avoid the flarenados and some of his attacks.

Trivia[edit | edit source]

  • Yharon's first phase theme, before defeating a buffed Mothron, is Infernal Catharsis, which was composed by the artist DM DOKURO.
    • This is the only theme that is not on DM DOKURO's official album. This is because when he made the "Rebirth" version, it was intended to replace the original one (which it did in an older version) even if the player didn't defeat a buffed Mothron.
    • If the Calamity Music add-on mod is disabled, Boss 1 will play instead.
    • Prior to the release of the original Infernal Catharsis, Yharon's theme was Kyurem's theme from the game Pokémon Super Mystery Dungeon.
  • Yharon's first phase theme, after defeating a buffed Mothron, is Infernal Catharsis (Rebirth), a redone version of the previous theme which was also composed by DM DOKURO.
    • The in-game version starts a little further than the video, possibly to make it less similar to the original one.
    • If the Calamity Music add-on mod is disabled, Boss 3 will play instead.
  • Yharon's second phase theme is Roar of the Jungle Dragon, which was also composed by DM DOKURO.
    • This song contains full lyrics sung by DM DOKURO himself. The song is a warning from Yharon to his master, Yharim, about the strength and unstoppability of the player character.
    • If the Calamity Music add-on mod is disabled, the Moon Lord's theme will play instead.

Lore[edit | edit source]

Yharim grew up with no one besides his monstrous cohorts to keep him company after the passing of (nearly) his entire family...with the exception of his loyal dragon guardian, Yharon. Long ago, a powerful ranger found an egg within the depths of the Jungle Temple. She gifted the egg to her son, Yharim, to raise as a companion while she was away on her missions. Before the egg hatched it was tossed into the underworld lava, along with Yharim's entire family due to the arrogance and despicable nature of the elder brother. However, the heat of the lava only caused the young dragon to mature more quickly. Soon, it hatched into a furious beast, and was able to save Yharim from his demise, though the same could not be said for the rest of his family. Badly burned and filled with hatred and contempt, Yharim slowly crawled onto the back of his faithful companion. The dragon comforted him as best it could before Yharim commanded that they return to the temple, a new power and order was about to rise. From there the dragon aided Yharim in annihilating the corrupt leaders of the jungle and putting the power in the hands of someone with a broken heart and many scars. The dragon was more than just a mere friend to the tyrant, the warmth and light from the dragon's soul often comforted the tyrant king in times of great depression. Without his pet, the tyrant would've been dead long ago.

See also[edit | edit source]