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(Factual correction 1/907 drop rate for Dragon Stone Armour is from crystal trisks not the crystal chest, it would seem the previous editor miss-read the twitter post by Mod Timbo) Tag: sourceedit |
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{{#vardefine:PrifThirteen|{{#expr:({{GEP|Uncut dragonstone|1}}+{{GEP|Dragonstone helm|0.2}}+{{GEP|Dragonstone hauberk|0.2}}+{{GEP|Dragonstone greaves|0.2}}+{{GEP|Dragonstone gauntlets|0.2}}+{{GEP|Dragonstone boots|0.2}}) round 0}}}} |
{{#vardefine:PrifThirteen|{{#expr:({{GEP|Uncut dragonstone|1}}+{{GEP|Dragonstone helm|0.2}}+{{GEP|Dragonstone hauberk|0.2}}+{{GEP|Dragonstone greaves|0.2}}+{{GEP|Dragonstone gauntlets|0.2}}+{{GEP|Dragonstone boots|0.2}}) round 0}}}} |
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'''The expected value of Possibility 13 is {{Coins|{{#var:PrifThirteen}}}}''', which is a profit/loss of {{Coins|-{{#var:crystalKey}}+{{#var:PrifThirteen}}}} if buying the crystal key on the GE. |
'''The expected value of Possibility 13 is {{Coins|{{#var:PrifThirteen}}}}''', which is a profit/loss of {{Coins|-{{#var:crystalKey}}+{{#var:PrifThirteen}}}} if buying the crystal key on the GE. |
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− | :''Receiving this possibility is '''very rare''', at a rate of 1/ |
+ | :''Receiving this possibility is '''very rare''', at a rate of 1/6801.<ref name="twitter.com">https://twitter.com/JagexTimbo/status/557600452150579200</ref>'' |
{{DropsTableHead}} |
{{DropsTableHead}} |
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{{DropsLine|Name=Uncut dragonstone|Quantity=1|Rarity=Always}} |
{{DropsLine|Name=Uncut dragonstone|Quantity=1|Rarity=Always}} |
Revision as of 02:10, 27 March 2017
Release date | 22 September 2014 (Update) |
---|---|
Members | Yes |
Quest | Plague's End |
Location | Prifddinas |
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 Clan district. 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 generally more profitable to sell the key than to use it. The key is used once and disappears upon usage.
Rewards possibilities
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.
Taverley chest
Possibility 1 - Fruit tree seed
The expected value of Possibility 1 is 17,139, which is a profit/loss of −4,672 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Calquat tree seed | 1 | Common[1] | 321 | |
Papaya tree seed | 1 | Common[1] | 2,896 | |
Palm tree seed | 1 | Common[1] | 39,600 |
Possibility 2 - Lantadyme seeds
The expected value of Possibility 2 is 13,529, which is a profit/loss of −8,282 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Lantadyme seed | 2 | Always | 1,452 |
Possibility 3 - Grimy torstols
The expected value of Possibility 3 is 22,855, which is a profit/loss of 1,044 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Grimy torstol | 2 | Always | 10,778 |
Possibility 4 - Runes
The expected value of Possibility 4 is 172,427, which is a profit/loss of 150,616 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Law rune | 50 | Always | 28,500 | |
Chaos rune | 50 | Always | 7,600 | |
Cosmic rune | 50 | Always | 20,600 | |
Death rune | 50 | Always | 11,600 | |
Nature rune | 50 | Always | 20,250 | |
Body rune | 200 | Always | 9,600 | |
Mind rune | 200 | Always | 3,800 | |
Earth rune | 200 | Always | 3,600 | |
Air rune | 200 | Always | 18,000 | |
Water rune | 200 | Always | 5,000 | |
Fire rune | 200 | Always | 31,800 |
Possibility 5 - Iron ore
The expected value of Possibility 5 is 101,877, which is a profit/loss of 80,066 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Iron ore | 200 (noted) | Always | 89,800 |
Possibility 6 - Coal
The expected value of Possibility 6 is 28,877, which is a profit/loss of 7,066 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Coal | 150 (noted) | Always | 16,800 |
Possibility 7 - Rune bars
The expected value of Possibility 7 is 21,032, which is a profit/loss of −779 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune bar | 3 | Always | 8,955 |
Possibility 8 - Gems
The expected value of Possibility 8 is 32,132, which is a profit/loss of 10,321 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Uncut diamond | 3 | Always | 14,529 | |
Uncut ruby | 3 | Always | 5,526 |
Possibility 9 - Loop half of a key
The expected value of Possibility 9 is 38,130, which is a profit/loss of 16,319 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Loop half of a key | 1 | Always | 11,053 | |
Coins | 15,000 | Always | 15,000 |
Possibility 10 - Tooth half of a key
The expected value of Possibility 10 is 38,615, which is a profit/loss of 16,804 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Tooth half of a key | 1 | Always | 11,538 | |
Coins | 15,000 | Always | 15,000 |
Possibility 11 - Rune platebody
The expected value of Possibility 11 is 49,557, which is a profit/loss of 27,746 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune platebody | 1 | Always | 37,480 |
Possibility 12 - Rune platelegs or plateskirt
The expected value of Possibility 12 is 49,079 for male characters and 49,138 for female characters, which is a profit/loss of 27,268 for male characters and 27,327 for female characters, if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune platelegs | 1 | Common[1] | 37,002 | |
Rune plateskirt | 1 | Common[1] | 37,061 |
Possibility 13 - Dragonstone armour
The expected value of Possibility 13 is 7,292,370, which is a profit/loss of 7,270,559 if buying the crystal key on the GE.
- Receiving this possibility is very rare, at a rate of 1/6801.[1]
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Dragonstone helm | 1 | Very rare[2] | 7,341,200 | |
Dragonstone hauberk | 1 | Very rare[2] | 12,743,872 | |
Dragonstone greaves | 1 | Very rare[2] | 6,133,880 | |
Dragonstone gauntlets | 1 | Very rare[2] | 5,932,094 | |
Dragonstone boots | 1 | Very rare[2] | 4,250,417 |
Prifddinas chest
This chest was released with the first part 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 1 - Tree seeds
The expected value of Possibility 1 is 55,516.6, which is a profit/loss of 33,705.6 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Yew seed | 1 | Common | 15,302 | |
Papaya tree seed | 1 | Common | 2,896 | |
Elder seed | 1 | Uncommon | 180,802 |
Possibility 2 - Herb seeds
The expected value of Possibility 2 is 13,979, which is a profit/loss of −7,832 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Dwarf weed seed | 1 | Common | 822 | |
Torstol seed | 2 | Common | 1,080 |
Possibility 3
The expected value of Possibility 3 is 49,832, which is a profit/loss of 28,021 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Grimy lantadyme | 5 | Always | 37,755 | |
Crystal tree blossom | 1 | Always | Not sold |
Possibility 4 - Talismans
The expected value of Possibility 4 is 18,178, which is a profit/loss of −3,633 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Fire talisman | 5 (noted) | Always | 1,045 | |
Water talisman | 2 (noted) | Always | 5,056 |
Possibility 5 - Rune Halberd
The expected value of Possibility 5 is 21,455, which is a profit/loss of −356 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune halberd | 1 | Always | 9,378 |
Possibility 6 - Ores
The expected value of Possibility 6 is 23,307, which is a profit/loss of 1,496 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Coal | 80 (noted) | Always | 8,960 | |
Adamantite ore | 10 (noted) | Always | 2,270 | |
Corrupted ore | 50 | Always | Not sold |
Possibility 7 - Rune bars
The expected value of Possibility 7 is 21,032, which is a profit/loss of −779 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune bar | 3 | Always | 8,955 |
Possibility 8 - Uncut gems
The expected value of Possibility 8 is 32,132, which is a profit/loss of 10,321 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Uncut diamond | 3 | Always | 14,529 | |
Uncut ruby | 3 | Always | 5,526 |
Possibility 9 - Loop half of a key
The expected value of Possibility 9 is 23,130, which is a profit/loss of 1,319 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Loop half of a key | 1 | Always | 11,053 | |
Crystal motherlode shard | 10 | Common | Not sold |
Possibility 10 - Tooth half of a key
The expected value of Possibility 10 is 23,615, which is a profit/loss of 1,804 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Tooth half of a key | 1 | Always | 11,538 | |
Crystal motherlode shard | 10 | Common | Not sold |
Possibility 11 - Rune armour
The expected value of Possibility 11 is 63,619, which is a profit/loss of 41,808 if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune full helm | 1 | Always | 20,892 | |
Rune kiteshield | 1 | Always | 30,650 |
Possibility 12 - Rune platelegs or plateskirt
The expected value of Possibility 12 is 49,079 for male characters and 49,138 for female characters, which is a profit/loss of 27,268 for male characters and 27,327 for female characters, if buying the crystal key on the GE.
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Rune platelegs | 1 | Common[1] | 37,002 | |
Rune plateskirt | 1 | Common[1] | 37,061 |
Possibility 13 - Dragonstone armour
The expected value of Possibility 13 is 7,292,370, which is a profit/loss of 7,270,559 if buying the crystal key on the GE.
- Receiving this possibility is very rare, at a rate of 1/6801.[1]
Item | Quantity | Rarity | GE price | |
---|---|---|---|---|
Uncut dragonstone | 1 | Always | 12,077 | |
Dragonstone helm | 1 | Very rare[2] | 7,341,200 | |
Dragonstone hauberk | 1 | Very rare[2] | 12,743,872 | |
Dragonstone greaves | 1 | Very rare[2] | 6,133,880 | |
Dragonstone gauntlets | 1 | Very rare[2] | 5,932,094 | |
Dragonstone boots | 1 | Very rare[2] | 4,250,417 |
Probabilities
Taverley chest
- 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 |
---|---|
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 official 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 24,693. 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.
Trivia
- The crystal key chest was reworked on 11 June 2013 with the release of the Triskelion Treasures. Previous old drops, such as receiving 2,000 coins and a Spinach roll along with an Uncut dragonstone, were removed, and new ones were added, such as the Dragonstone armour.
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Player-owned house |
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Thieving |
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Treasure Trails |
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Other |
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Template:Prifddinas other