They functioned in roughly the same way as other time-limited event currencies:
- They could be gathered from almost any skilling action, or combat, every 3 minutes, or from completing daily challenges.
- They could be stored in the currency pouch.
- There was no daily limit on the amount that could be gathered.
- 15,000 crystallised chocolate fragments were required to unlock all of the rewards.
- Players could convert crystallised chocolate fragments into mystery boxes (500 crystallised chocolate fragments) and big mystery boxes (1,000 crystallised chocolate fragments).
- 25% bonus crystallised chocolate fragments while in the Eastertime Fete area
- Daily challenges
- Finding crystallised chocolate eggs throughout Gielinor
Alternatively, crystallised chocolate fragments could be bought for RuneCoins on the Seasonal Event interface Shop tab:
|Crystallised chocolate fragments||RuneCoins||Crystallised chocolate fragments per RuneCoin||Price in terms of bonds|
When a player received crystallised chocolate fragments, they were notified with one of the following messages:
- You find [X] Crystallised chocolate fragments and place them in your bank. (When there was no space in your inventory and there were none in your currency pouch.)
- You find [X] Crystallised chocolate fragments and place them in your inventory. (When there was space in your inventory and there were none in your currency pouch.)
- You find [X] x Crystallised chocolate fragments. They are added to your currency pouch. (When there were some already in your currency pouch.)
Ironman players could gather, return, and convert crystallised chocolate fragments just like regular players. All of the cosmetic override rewards were obtainable. However, mystery boxes and big mystery boxes only gave coins.
There were several methods of idly collecting crystallised chocolate fragments in Prifddinas, such as balancing on the Serenity posts in the Hefin district, pickpocketing elven clan workers, playing the harps in the Ithell district, mining Seren stones in the Trahaearn district, or fishing at the Prifddinas Waterfall.