October 30th's prompt is gear and this is called an Overlay. It's a piece of gear that looks like jewelry with a specific stone set into it. It's referred to as an Affinity Stone and is an amplifier used in Drachemy. For advanced users, it's paired with a weapon with a piece of the same stone set into the blade or hilt. With these, they're able to use their abilities at less of a physical cost in battle. Their abilities? Anything from healing to throwing lightning, making the wind turn into a hurricane, or creating fire out of nothing.