Energy crystal

They are a consumable that can be picked up while jumping and also by invisible players. It provides a shadow energy amount depending on whether it is stable, and randomness.

Stable Energy Crystals
Stable energy crystals are crystals that provide a instant 25 shadow energy when picked up. They appear as a blue crystal somewhere on the map. Occasionally they give 50 shadow energy instead of 25.

Unstable Energy Crystals
Stable energy crystals are crystals that provide a instant amount shadow energy when picked up. They appear as a purple crystal somewhere on the map. The amount can be a negative so be warned of unstable crystals. You get a random amount of shadow energy between -10 and 60