Play the drum game by matching the indicated drum pattern five times.
The pattern is random, and may become hard to follow in the fourth and fifth rounds. You can use a pen and paper to help you remember.
If you fail several times, Imadeus will give up on you and give you the key for free. Alternatively, you can just give up on yourself and AFK for ~5 minutes and Imadeus will offer you the key.
This article refers to events, personae and activities only present in-game during the annual Frostfell celebration. Frostfell comes to Norrath each year from (roughly) the second week of December to the first week of January.
A discussion page exists which may contain more information
