Alchemical Hydra
Late game · Ranged, Magic · solo · recommended 110+ combat
Why Ironmen kill it
The Ironman's Slayer endgame: the lance, ferocious gloves, the brimstone ring and the bonecrusher necklace all come from here.
Requirements to access
Skills
95Slayer
Quests
None
- On a hydra Slayer task (Karuulm Slayer Dungeon, boots of stone)
Hardcore Ironman
A death here ends Hardcore status.
Drops worth chasing
| Drop | What it's for | Rate | 90% chance by |
|---|---|---|---|
| Hydra's eyeGear | Makes Brimstone ring Hybrid ring with a magic defence-piercing effect. | 1/181 per kill | 416 kills |
| Hydra's fangGear | Makes Brimstone ring Hybrid ring with a magic defence-piercing effect. | 1/181 per kill | 416 kills |
| Hydra's heartGear | Makes Brimstone ring Hybrid ring with a magic defence-piercing effect. | 1/181 per kill | 416 kills |
| Hydra tailGear | Makes Bonecrusher necklace Bonecrusher plus prayer restore on every kill; frees your necklace slot from the bonecrusher. | 1/513 per kill | 1,181 kills |
| Hydra leatherGear | Makes Ferocious gloves Best melee gloves for most players. | 1/514 per kill | 1,183 kills |
| Hydra's clawGear | Makes Dragon hunter lance Best melee weapon against dragons, including Vorkath and the Hydra itself. | 1/1,001 per kill | 2,304 kills |
| Hydra leatherUpgrade | Ferocious gloves. | 1/514 per kill | 1,183 kills |
| Ikkle hydraPet | The boss pet. | 1/3,000 per kill | 6,907 kills |
“90% chance by” is how many kills (or chests) give a 90% chance of having the drop; most players get it sooner, and some much later. Raid rates are a share of unique drops, which depend on points and team size. See every upgrade in order on the Ironman gear progression page.
Top kill counts
Are you ready?
Look yourself up; the planner lists which bosses your stats and quests unlock.
Other late game bosses
Requirements and drop rates (rates fetched 2026-10-01) checked against the Old School RuneScape Wiki (CC BY-NC-SA 3.0). Requirements are game facts; the descriptions here are our own.