Bossing & PvMMedium EffortMid Game
Killing Wyrms (Brimstone Keys & Dragon Items)
Wyrms are a mid-level Slayer monster found in the Karuulm Slayer Dungeon. They drop Brimstone keys which open the Brimstone Chest for valuable loot, plus dragon weapons and Herblore secondaries.
Base Hourly Profit:1.20M GP/hr
Starting Capital:500K GP
Location:Karuulm Slayer Dungeon (directly south of the Farming Guild)
Membership:Members Only
🧮 Dynamic Profit Calculator
Estimated Hourly Returns
Live GE & Tax Connected
180 Kills/hr
Casual (120)Standard (180)Tick-Perfect / Max (240)
💰 Gross Revenue
1.20M GP
💸 Supply & Gear Cost
0 GP
✨ Net Profit / Hr
1.20M GP/hr
📦 Item Flow & Grand Exchange Margins
| Type | Item | Qty / Hr | Unit Price | Hourly Total |
|---|---|---|---|---|
| 🔺 Output | Brimstone key | 6 | 85,000 GP | 510,000 GP |
| 🔺 Output | Dragon dagger | 1.5 | 28,000 GP | 42,000 GP |
| 🔺 Output | Dragon longsword | 0.8 | 58,000 GP | 46,400 GP |
| 🔺 Output | Wyrmscales | 120 | 120 GP | 14,400 GP |
* Unit prices automatically deduct 1% Grand Exchange tax (capped at 5M GP) on sell orders.
🗺️ Walkthrough
Step-by-Step Execution Strategy
- 1Equip Ranged gear with an anti-dragon shield or Dragonfire ward.
- 2Use Protect from Melee or Protect from Magic depending on your defence level.
- 3Kill Wyrms quickly with Ranged attacks (they are weak to Magic but Ranged is faster for most players).
- 4Pick up Brimstone keys and use them on the Brimstone Chest in the dungeon.
🎯 Pro Efficiency Tips
- •Brimstone keys are automatically noted when collected.
- •Using a Slayer helmet on task provides 15% damage and accuracy boost.
- •Wyrms drop Wyrmscales which are used for Drake boots.
⚠️ Common Mistakes to Avoid
- •Not bringing anti-dragon protection (Wyrms use dragonfire attacks).
- •Leaving Brimstone keys unclaimed.
📋 Prerequisites
Requirements Checklist
Required Skills
RangedLevel 60
SlayerLevel 62
Required Quests
Dragon Slayer IRecommended
Required Items
Slayer helmet (if on task)
Ranged gear (Armadyl / Karil / Blessed d'hide)
Rune crossbow or better
Anti-dragon shield / Dragonfire ward
⚖️ Pros & Cons Analysis
Pros
- ✓Brimstone keys provide consistent profit
- ✓Dragon weapon drops for alch value
- ✓Decent Slayer XP
Cons
- ✗Requires 62 Slayer to kill
- ✗Lower profit than high-level Slayer tasks