Giant crypt rat is a monster (combat level 76). These are its drops on RuneSpawn, taken from the game’s drop viewer data (how to open the viewer).
OSRS Wiki Where to find this monster and how to fight it are covered on the Giant crypt rat article on the Old School RuneScape Wiki. The drops below are RuneSpawn’s own.
Rates Rates are the base rates for a regular account, before any drop rate bonus. A rarity is shown only where the drop viewer gives one.
Drops
100%
 | Bones | 1 | Always |
Drops
 | Basic slayer casket | 1 | 1 / 12 |
 | Coconut milk | 10-15 | 1 / 170 |
 | Crushed nest | 10-15 | 1 / 170 |
 | Crushed superior dragon bones | 10-15 | 1 / 170 |
 | Dragon scale dust | 10-15 | 1 / 170 |
 | Goat horn dust | 10-15 | 1 / 170 |
 | Jangerberries | 10-15 | 1 / 170 |
 | Limpwurt root | 10-15 | 1 / 170 |
 | Magic roots | 10-15 | 1 / 170 |
 | Mort myre fungus | 10-15 | 1 / 170 |
 | Nail beast nails | 10-15 | 1 / 170 |
 | Potato cactus | 10-15 | 1 / 170 |
 | Red spiders’ eggs | 10-15 | 1 / 170 |
 | Snake weed | 10-15 | 1 / 170 |
 | Snape grass | 10-15 | 1 / 170 |
 | Unicorn horn dust | 10-15 | 1 / 170 |
 | White berries | 10-15 | 1 / 170 |
 | Wine of zamorak | 10-15 | 1 / 170 |