Ninja impling is a monster. 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 Ninja impling 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
 | Reward casket (medium) | 1 | 1 / 6 |
 | Reward casket (hard) | 1 | 1 / 7 |
 | Coins | 500,000-750,000 | 1 / 9 |
 | Crystal key | 2 (noted) | 1 / 9 |
 | Dragon dart tip | 100-150 | 1 / 9 |
 | Dragon spear | 1 | 1 / 9 |
 | Dragon thrownaxe | 100-150 | 1 / 9 |
 | Reward casket (elite) | 1 | 1 / 17 |
 | Reward casket (master) | 1 | 1 / 26 |