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Boss Guide

All bosses in Honkai: Star Rail with weaknesses, team recommendations, and tactics.

Stagnant Shadow Bosses

  • 1Stagnant Shadows drop character Ascension materials -- farm the element matching the character you want to level.
  • 2Shape Shifter (Quantum): Weak to Physical, Lightning. Splits into copies at low HP -- use AoE to clear them.
  • 3Blaze Out (Fire): Weak to Ice, Quantum. Stacks Fire DMG buffs -- break quickly to reset stacks.
  • 4Frigid Prowler (Ice): Weak to Fire, Imaginary. Creates Ice shields -- focus on breaking Toughness bar.
  • 5Thunderbolt Golem (Lightning): Weak to Ice, Wind. Charges devastating AoE attack -- break to interrupt.
  • 6Stormbringer (Wind): Weak to Fire, Lightning. Summons minions -- eliminate adds before focusing the boss.

Cavern of Corrosion Bosses

  • 1Cavern of Corrosion is the primary source for Relic sets -- each cavern drops 2 specific sets.
  • 2Path of Gelid Wind drops Hunter of Glacial Forest and Eagle of Twilight Line.
  • 3Path of Jabbing Punch drops Iron Cavalry Against the Scourge and The Wind-Soaring Valorous.
  • 4Path of Providence drops Passerby of Wandering Cloud and Longevous Disciple.
  • 5Boss difficulty scales with Equilibrium Level -- raise it for better Relic substat chances.
  • 6Bring the right element weakness team for the specific cavern you are farming.

Echo of War (Weekly Bosses)

  • 1Echo of War bosses are weekly challenges that drop Light Cone Ascension and Trace materials.
  • 2Doomsday Beast: Weak to Imaginary, Wind. Enters berserk mode at low HP with massive AoE attacks.
  • 3Cocolia: Weak to Fire, Quantum. Summons Ice pillars that must be destroyed to prevent party wipes.
  • 4Phantylia: Weak to Physical, Lightning. Creates summons that buff her -- kill adds first.
  • 5Argenti: Weak to Ice, Imaginary. Charges Ultimate gauge -- deplete it before he unleashes devastating damage.
  • 6Sunday: Weak to Quantum, Wind. Has multiple phases with different mechanics -- adapt strategy per phase.

Simulated Universe Bosses

  • 1Simulated Universe bosses test your built team with randomized Blessings -- choose synergistic buffs.
  • 2Cocolia (SU): Focus Fire blessings synergize well. Break her Ice shield with Fire characters.
  • 3Gepard (SU): Has a massive shield phase. Bring Shield-Breaking abilities and sustained damage.
  • 4Kafka (SU): Applies constant DoTs. Bring a strong healer and cleanse effects if possible.
  • 5Save your best Blessings for the final boss encounter -- pick 2-3 synergistic Paths.
  • 6The Nihility Path blessings are universally strong for debuff-based strategies.

Memory of Chaos (MoC) Tips

  • 1Memory of Chaos is the endgame mode with 12 floors of increasing difficulty and cycle buffs.
  • 2Each floor has 2 halves requiring separate teams -- build 2 complete teams for full stars.
  • 3Cycle buffs change every 2 weeks -- adapt your teams to exploit the current buff.
  • 4Speed-kill strategies are essential for 3-starring each floor within the turn limit.
  • 5Check enemy weaknesses before each floor and bring matching elements for efficient breaks.
  • 6AoE teams excel on floors with many enemies, while single-target teams shine against elite bosses.

Pure Fiction Tips

  • 1Pure Fiction focuses purely on defeating waves of enemies as quickly as possible.
  • 2AoE characters like Jing Yuan, Herta, and Himeko excel in Pure Fiction content.
  • 3DoT teams with Kafka and Black Swan perform exceptionally well due to multi-target DoT spread.
  • 4Bring Harmony supports that buff the entire team rather than single-target buffers.
  • 5Enemy count determines score -- prioritize clearing waves over killing individual targets.
  • 6Build teams with fast action cycles to maximize the number of turns within the time limit.