Chance per kill for a player at most 1 level above the monster, without events. Killing a monster 2 or more levels below you lowers item drops to 80%, 60%, 30% and then 10%. Aerlore Coins: each party member rolls separately; the chance halves 5-7 levels below you and is 0 at 8+, and after 500 coins in a week (Monday 00:00 UTC) the chance drops to 25%.
Moonstone