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About Tooth half of key
"The tooth end of the mysterious Crystal Key. Can you find the other half?"
Tooth half of key is one of the two halves that combine to make a Crystal key, which is used to unlock the Crystal chest in Taverley. It is dropped by many high-level monsters including the King Black Dragon, lava dragons, and various metal dragons. The two halves are tradeable independently on the Grand Exchange, but the combined Crystal key is not.
Item Details
Item ID985
MembersYes
Store Value100gp
High Alch60gp
Low Alch40gp
GE Limit11,000 / 4h
Item Information
Released2002-09-23
UpdateMagic Shop & Crystal Chest
Weight0.005 kg
TradeableYes
StackableNo
NoteableYes
EquipableNo
Quest itemNo
AlchableYes
DestroyDrop
OptionsUseDrop
Creation Recipes
CraftingLevel 0
Creates:Crystal key
Materials:
Tooth half of keyLoop half of key
Drop Sources
| Source | Combat | Qty | Rate | Rarity |
|---|---|---|---|---|
| King Black DragonP2P | 276 | 1 | — | 1/128 |
| Chaos ElementalP2PWildy | 305 | 1 | — | 1/128 |
| Black dragonP2P | 227 | 1 | — | 1/256 |
| Greater demonP2P | 92 | 1 | — | 1/512 |
| Iron dragonP2P | 215 | 1 | — | 1/300 |
| Steel dragonP2P | 246 | 1 | — | 1/300 |
| Lava dragonP2PWildy | 252 | 1 | — | 1/300 |
Used in production (2)
| Product | Skill | Lvl | XP | Qty |
|---|---|---|---|---|
| Crystal key | Crafting | 0 | — | 1 |
| Loop half of key | Crafting | 1 | 0 | 1 |
History (2)
- 2007-12-10
Loot table of the Crystal chest reworked, indirectly affecting key half demand.
- 2002-09-23
Released with the Magic Shop and Crystal Chest update that added the Taverley reward chest.
Market Strategy
- Demand is driven by Crystal chest looters chasing the dragonstone-tier rewards.
- Supply skews from KBD farming, Wilderness Slayer tasks, and metal dragon trips.
- Tooth half typically trades within a few percent of Loop half - arbitrage is thin.
- Stable, low-volatility flip ideal for low-capital margin trading.
Trading Tips
Buy half pairs in equal quantity to avoid getting stuck on the unpaired half.
Combine and sell loot rather than relisting if Crystal chest loot value exceeds key pair cost.
Watch for KBD seasonal challenge content - drop floods soften prices.

