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Boss Overview

BossRush Mod adds 2 fully custom bosses on top of the game's original boss pool, each with independent skill sets, phase transitions, and exclusive drops.

Custom Boss List

  • Dragon Descendant — HP 500, mid-tier difficulty, exclusive drops: Crimson Dragon Helm, Flame Scale Armor, Dragon Breath
  • Skyburner Dragon Lord — HP 800, highest difficulty, exclusive drops: Dragon King Crown, Dragon King Scale Armor, Cloud Rider, Reverse Scale, Skyburner Halberd

Boss Pool Rules

  • Standard BossRush and Infinite Hell: The strongest elite bosses (Four Horsemen series) do not appear in the first 10 waves, giving players time to warm up
  • From Scratch: No bosses in the first 5 waves, elite bosses excluded from waves 6-10, full boss pool opens after wave 16
  • Faction War: Dragon Descendant appears at most once per session, Skyburner Dragon Lord does not appear
  • Blood Hunt: Dragon Descendant appears at most once per session, Skyburner Dragon Lord does not appear; a new boss is automatically added after a boss is killed

Boss Filter

You can customize the boss pool through the Boss Filter (Ctrl+F10):

  • Disable specific bosses to prevent them from appearing
  • Adjust each boss's spawn weight in Infinite Hell

See Boss Filter for details.

Related Achievements

  • Dragon Heir Hunter — First kill of Dragon Descendant (reward: 30,000)
  • Perfect Dragon Hunt — No-damage kill of Dragon Descendant (reward: 200,000)
  • Dragon Slayer — First kill of Skyburner Dragon Lord (reward: 100,000)
  • Perfect Dragon Slayer — No-damage kill of Skyburner Dragon Lord (reward: 500,000)
  • Dragon Master — 10 cumulative kills of Skyburner Dragon Lord (reward: 600,000)
  • Dragon Heir Collection — Collect all exclusive drops from Dragon Descendant (reward: 300,000)
  • Dragon King's Vault — Collect all exclusive drops from Skyburner Dragon Lord (reward: 500,000)

BossRush Mod for Escape from Duckov