How to Use Unstable Cores in Destiny 2 Unstable Cores are used the same way as Enhancement Cores in Destiny 2 — they are used as materials for infusing equipment.

Destiny 2: The Edge of Fate introduces a new upgrade system which employs a material for post-level cap upgrades.

Fortunately once you've learned the tricks to Destiny 2's tonics, and how to unlock new recipes, it's less bewildering than it might initially seem.

Want to grab Graviton Spike in The Edge of Fate? This new Destiny 2 exotic hand cannon has its own little quest, so here's how to complete each step.