All bosses
Alchemical Hydra
The Karuulm Slayer Dungeon, Mount Karuulm (requires 95 Slayer).
Mechanics
- Changes attack style every three attacks — match prayers.
- Drops chemical pools (red/green/blue) you must dodge.
- Lightning and flame walls appear in later phases.
- Venomous — bring anti-venom+.
Drop table
common16 items
uncommon18 items
Stats
Combat stats
Combat
426
Hitpoints
1100
Attack
100
Strength
100
Defence
80
Magic
260
Ranged
260
Size
6x6
Defensive bonuses
Stab
75
Slash
100
Crush
100
Magic
100
Ranged
45
Weakness: MagicAttack style: MeleePoison immuneVenom immune