Casket

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For other uses, see Casket (disambiguation).
Casket detail.png

A casket is an item occasionally dropped by NPCs and monsters that are near oceans or bodies of water. It can also be obtained via big net fishing, at a rate of about 1/50. It can be opened to receive a small amount of treasure.

Methods of obtaining[edit | edit source]

Rewards[edit | edit source]

Drop rates estimated based on 579,934 casket opens from the Drop Rate Project, unless otherwise cited.

The average casket opening is worth 569.29.

Coins[edit | edit source]

Item Quantity Rarity Price High Alch
Coins_5.png: Casket drops Coins with rarity 10/128 in quantity 20Coins2010/1282020
Coins_25.png: Casket drops Coins with rarity 10/128 in quantity 40Coins4010/1284040
Coins_25.png: Casket drops Coins with rarity 10/128 in quantity 80Coins8010/1288080
Coins_100.png: Casket drops Coins with rarity 10/128 in quantity 160Coins16010/128160160
Coins_250.png: Casket drops Coins with rarity 10/128 in quantity 320Coins32010/128320320
Coins_250.png: Casket drops Coins with rarity 10/128 in quantity 640Coins64010/128640640

Gems[edit | edit source]

Item Quantity Rarity Price High Alch
Uncut sapphire.png: Casket drops Uncut sapphire with rarity 32/128 in quantity 1Uncut sapphire132/12838415
Uncut emerald.png: Casket drops Uncut emerald with rarity 16/128 in quantity 1Uncut emerald116/12856330
Uncut ruby.png: Casket drops Uncut ruby with rarity 8/128 in quantity 1Uncut ruby18/1281,14360
Uncut diamond.png: Casket drops Uncut diamond with rarity 2/128 in quantity 1Uncut diamond12/1282,627120

Other[edit | edit source]

Item Quantity Rarity Price High Alch
Cosmic talisman.png: Casket drops Cosmic talisman with rarity 8/128 in quantity 1Cosmic talisman18/1285382
Loop half of key.png: Casket drops Loop half of key with rarity 1/128 in quantity 1Loop half of key11/1289,90560
Tooth half of key.png: Casket drops Tooth half of key with rarity 1/128 in quantity 1Tooth half of key11/12810,36660

Item sources[edit | edit source]

For an exhaustive list of all known sources for this item, see here (include RDT).
SourceLevelQuantityRarity
Ammonite Crab25 Multicombat.png11/128
Barrel (Viyeldi caves)N/A Casket.png1Uncommon
Dagannoth (Waterbirth Island) Level 8888 Multicombat.png15/128
Dagannoth74; 92; 100 Multicombat.png11/128
Fishing spot (big net, harpoon) Fishing icon.png1Rare
Giant Rock Crab137 Multicombat.png12/128
Giant Sea Snake149 Multicombat.png12/128
Giant lobster45 Multicombat.png11/128
King Sand Crab107 Multicombat.png12/128
Mummy Level 9696; 103 Multicombat.png13/513
Mummy Level 10396; 103 Multicombat.png13/513
Mystery box MemberN/A Casket.png11/15
River troll14–159 Multicombat.png15/128
Rock Crab13 Multicombat.png11/128
Sand Crab15 Multicombat.png11/128
Sea Snake Hatchling62 Multicombat.png11/128
Sea Snake Young90 Multicombat.png11/128
Swamp Crab55 Multicombat.png11/128