The extreme warmaster's potion is a six-dose combination potion that can be made at level 93 Herblore after unlocking the recipe. It is made by combining an extreme magic (4), extreme ranging (4), extreme attack (4), extreme strength (4) and extreme defence (4) in a crystal flask, giving 500 experience.
The recipe for this potion can be found inside Daemonheim while Dungeoneering. After finding the recipe, bring it to Lady Meilyr and pay 400,000 coins to permanently unlock the ability to make extreme warmaster.
A dose of extreme warmaster boosts the five combat skills by 15% of their level, plus 3. This is very similar to overload, except the boosts for extreme warmaster's potion are like regular extremes. They do not re-boost every 15 seconds.
Recipe[]
 | - |  | ||
|---|---|---|---|---|
| 500 XP | - | - | ||
| Requirements | ||||
| Herblore level | 93 | |||
 Members only | Yes | |||
| Materials | ||||
| Item | Quantity | Price | Total | |
 | Extreme attack (4) | 1 | 8,723 | 8,723 |
 | Extreme strength (4) | 1 | 32,035 | 32,035 |
 | Extreme defence (4) | 1 | 21,103 | 21,103 |
 | Extreme magic (4) | 1 | 16,873 | 16,873 |
 | Extreme ranging (4) | 1 | 34,920 | 34,920 |
 | Crystal flask | 1 | 3,556 | 3,556 |
| Total price | 117,210 | |||
Disassembly[]
| Disassembly XP | 2.7 |
|---|---|
| Item quantity required | 1 |
| Material count | 1 |
| Base junk chance | 0.0% |
| Possible materials | |
| Often | |
 Delicate parts | 35% |
 Organic parts | 31% |
 Crafted parts | 30% |
| Rarely | |
 Enhancing components | 3% |
 Healthy components | 1% |
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