Crystal chest
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Release date | 27 February 2002 (Update) |
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Members? | Yes |
Quest? | No |
Location | Taverley |
Examine | A crystal key can open it. |
The crystal key chest is a treasure chest located in Ivy Sophista's house in Taverley. A second chest is located in Prifddinas in the Iorwerth section. The chests are locked and can only be opened by a crystal key. Attempting to open the chest without the crystal key yields the message: "This chest is securely locked shut." The crystal key is made up of a loop half of a key and a tooth half of a key; you can make the crystal key by using them with each other, or selecting the "Assemble" option. Opening a crystal chest grants a variety of rewards, which always include an uncut dragonstone. The crystal chest in Prifddinas grants slightly better rewards than the Taverley chest. The crystal key sells for more than most of the rewards, making it more monetarily satisfying to sell the key. When the key is used it disappears, so opening the chest is a gamble.
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RewardsEdit
The chest loot always includes an uncut dragonstone, together with a random reward generated from 13 possible reward tables. Below are the values of the chest's contents, based on current Grand Exchange prices.
After an update, wearing a ring of wealth will increase your chances of getting a better drop. It is only possible to obtain rune platelegs if you are a male character, and a rune plateskirt if you are female character.
It is a common misconception that you can obtain a Crystal ward or a crystal bow from the chest. The chest does not contain either of these items, as they are a quest reward.
Possibilities - Taverley chestEdit
Possibility 1 - Fruit tree seedEdit
The expected value of Possibility 1 is 68,296, which is a profit/loss of 6,221 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Calquat tree seed 1 Common ^{[1]} 13,764 Papaya tree seed 1 Common ^{[1]} 75,614 Palm tree seed 1 Common ^{[1]} 159,542
- ^ ^{a} ^{b} ^{c} With Possibility 1, you are guaranteed to get either a calquat tree seed, a papaya tree seed or a palm tree seed. Both the calquat and papaya tree seed have a probability of 5:11 (45.45%), and the palm tree seed has a probability of 1:11 (9%).
Possibility 2 - Lantadyme seedsEdit
The expected value of Possibility 2 is 60,250, which is a profit/loss of -1,825 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Lantadyme seed 2 Always 47,084
Possibility 3 - Grimy torstolsEdit
The expected value of Possibility 3 is 24,462, which is a profit/loss of -37,613 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Grimy torstol 2 Always 11,296
Possibility 4 - RunesEdit
The expected value of Possibility 4 is 120,566, which is a profit/loss of 58,491 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Law rune 50 Always 21,250 Chaos rune 50 Always 2,600 Cosmic rune 50 Always 12,450 Death rune 50 Always 17,700 Nature rune 50 Always 17,800 Body rune 200 Always 8,800 Mind rune 200 Always 3,000 Earth rune 200 Always 3,200 Air rune 200 Always 4,600 Water rune 200 Always 4,200 Fire rune 200 Always 11,800
Possibility 5 - Iron oreEdit
The expected value of Possibility 5 is 66,766, which is a profit/loss of 4,691 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Iron ore 200 (noted) Always 53,600
Possibility 6 - CoalEdit
The expected value of Possibility 6 is 53,216, which is a profit/loss of -8,859 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Coal 150 (noted) Always 40,050
Possibility 7 - Rune barsEdit
The expected value of Possibility 7 is 55,850, which is a profit/loss of -6,225 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune bar 3 Always 42,684
Possibility 8 - GemsEdit
The expected value of Possibility 8 is 37,187, which is a profit/loss of -24,888 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Uncut diamond 3 Always 14,976 Uncut ruby 3 Always 9,045
Possibility 9 - Loop half of a keyEdit
The expected value of Possibility 9 is 55,748, which is a profit/loss of -6,327 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Loop half of a key 1 Always 27,582 Coins 15,000 Always Not sold
Possibility 10 - Tooth half of a keyEdit
The expected value of Possibility 10 is 58,891, which is a profit/loss of -3,184 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Tooth half of a key 1 Always 30,725 Coins 15,000 Always Not sold
Possibility 11 - Rune platebodyEdit
The expected value of Possibility 11 is 51,353, which is a profit/loss of -10,722 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune platebody 1 Always 38,187
Possibility 12 - Rune platelegs or plateskirtEdit
The expected value of Possibility 12 is 50,122 for male characters and 50,379 for female characters, which is a profit/loss of -11,953 for male characters and -11,696 for female characters, if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune platelegs 1 Common ^{[1]} 36,956 Rune plateskirt 1 Common ^{[1]} 37,213
- ^ ^{a} ^{b} With Possibility 12, you are guaranteed to get either a rune platelegs or rune plateskirt. Male characters will always receive a rune platelegs, while female characters will always receive a rune plateskirt.
Possibility 13 - Dragonstone armourEdit
The expected value of Possibility 13 is 23,399,653, which is a profit/loss of 23,337,578 if buying the crystal key on the GE.
- Receiving this possibility is very rare.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Dragonstone helm 1 Common ^{[1]} 16,720,589 Dragonstone hauberk 1 Common ^{[1]} 42,376,486 Dragonstone greaves 1 Common ^{[1]} 25,043,409 Dragonstone gauntlets 1 Common ^{[1]} 16,283,740 Dragonstone boots 1 Common ^{[1]} 16,508,209
- ^ ^{a} ^{b} ^{c} ^{d} ^{e} With Possibility 13, you are guaranteed to get exactly one piece of dragonstone armour. Each piece has the same probability of being received.
Possibilities - Prifddinas chestEdit
This chest was released with part 1 of Prifddinas on 22 September 2014 and is located in the Iorwerth Manor against the south wall. It has an improved drop table over the chest in Taverley. While the Voice of Seren is active for the Iorwerth clan, the chest provides an increased chance of Prifddinas-related items looted, including: corrupted ore, Crystal tree blossoms, and Crystal motherlode shards. At the least, the player should still wear a Ring of wealth when opening either crystal chest.
Possibility 1Edit
The expected value of Possibility 1 is 46,721, which is a profit/loss of -15,354 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Grimy lantadyme 5 Always 33,555 Crystal tree blossom 1 Always Not sold
Possibility 2 - Tree seedsEdit
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Yew seed 1 Common 75,399 Papaya tree seed 1 Common 75,614 Elder seed 1 Uncommon 103,255
Possibility 3 - Tooth half of a keyEdit
The expected value of Possibility 3 is 43,891, which is a profit/loss of -18,184 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Tooth half of a key 1 Always 30,725 Crystal motherlode shard 10 Common Not sold
Possibility 4 - Loop half of a keyEdit
The expected value of Possibility 4 is 40,748, which is a profit/loss of -21,327 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Loop half of a key 1 Always 27,582 Crystal motherlode shard 10 Common Not sold
Possibility 5 - Herb seedsEdit
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Dwarf weed seed 1 Common 26,298 Torstol seed 2 Common 33,930
Possibility 6 - OresEdit
The expected value of Possibility 6 is 47,696, which is a profit/loss of -14,379 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Coal 80 (noted) Always 21,360 Adamantite ore 10 (noted) Always 13,170 Corrupted ore 50 Always Not sold
Possibility 7 - Rune HalberdEdit
The expected value of Possibility 7 is 88,910, which is a profit/loss of 26,835 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune halberd 1 Always 75,744
Possibility 8 - Rune armourEdit
The expected value of Possibility 8 is 65,350, which is a profit/loss of 3,275 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune full helm 1 Always 20,232 Rune kiteshield 1 Always 31,952
Possibility 9 - Rune platelegs or plateskirtEdit
The expected value of Possibility 9 is 50,122 for male characters and 50,379 for female characters, which is a profit/loss of -11,953 for male characters and -11,696 for female characters, if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune platelegs 1 Common ^{[1]} 36,956 Rune plateskirt 1 Common ^{[1]} 37,213
- ^ ^{a} ^{b} With Possibility 9, you are guaranteed to get either a rune platelegs or rune plateskirt. Male characters will always receive a rune platelegs, while female characters will always receive a rune plateskirt.
Possibility 10 - Rune barsEdit
The expected value of Possibility 10 is 55,850, which is a profit/loss of -6,225 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Rune bar 3 Always 42,684
Possibility 11 - TalismansEdit
The expected value of Possibility 11 is 47,915, which is a profit/loss of -14,160 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Fire talisman 5 (noted) Always 12,965 Water talisman 2 (noted) Always 21,784
Possibility 12 - Uncut gemsEdit
The expected value of Possibility 12 is 37,187, which is a profit/loss of -24,888 if buying the crystal key on the GE.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Uncut diamond 3 Always 14,976 Uncut ruby 3 Always 9,045
Possibility 13 - Dragonstone armourEdit
The expected value of Possibility 13 is 23,399,653, which is a profit/loss of 23,337,578 if buying the crystal key on the GE.
- Receiving this possibility is very rare.
Item Quantity Rarity GE market price Uncut dragonstone 1 Always 13,166 Dragonstone helm 1 Common ^{[1]} 16,720,589 Dragonstone hauberk 1 Common ^{[1]} 42,376,486 Dragonstone greaves 1 Common ^{[1]} 25,043,409 Dragonstone gauntlets 1 Common ^{[1]} 16,283,740 Dragonstone boots 1 Common ^{[1]} 16,508,209
- ^ ^{a} ^{b} ^{c} ^{d} ^{e} With Possibility 13, you are guaranteed to get exactly one piece of dragonstone armour. Each piece has the same probability of being received.
Probabilities - Taverley chestEdit
- The probabilities in this section are an estimation based on the data of 1134 crystal chest loots on the Taverley chest, while wearing a ring of wealth.
Possibility | Percentage |
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Possibility 1: Fruit tree seed | 8.02%^{[1]} |
Possibility 2: Lantadyme seeds | 9.61% |
Possibility 3: Grimy torstols | 9.96% |
Possibility 4: Runes | 7.5% |
Possibility 5: Iron ore | 8.47% |
Possibility 6: Coal | 9.17% |
Possibility 7: Rune bars | 9.61% |
Possibility 8: Gems | 9.61% |
Possibility 9: Loop half of a key | 7.94% |
Possibility 10: Tooth half of a key | 6.61% |
Possibility 11: Rune platebody | 5.03% |
Possibility 12: Rune platelegs or plateskirt | 8.47% |
Possibility 13: Dragonstone armour | < 0.01% |
- ^ The runescape wiki lists the probability of receiving a calquat or papaya tree seed at 5:11 (45.45%) each and the probability of receiving a palm tree seed at 1:11 (9%). This data shows a probability of 49.45% for the calquat, 47.25% for the papaya, and 3.30% for the palm tree seed.
Using these probabilities, the expected average profit/loss, per crystal key, when looting the crystal chest is -4,684. (Assuming you will receive whichever of the rune platelegs and rune plateskirt is worth more, and the crystal key is bought at GE price). This is excluding the possibility of receiving a dragonstone armour piece, as this possibility is much too rare to estimate with any acceptable accuracy.
TriviaEdit
- The crystal key chest was reworked on 11 June 2013 with the release of the Triskelion Treasures. Previous old drops, such as receiving 2000 coins and a Spinach roll along with an Uncut dragonstone, were removed, and new ones were added, such as the Dragonstone armour.