Battlemage Vambrace

(Optional Attunement)
You can use your reaction to absorb a spell targeting only you that is not an AoE. The spell is canceled, and its absorbed energy is that the level of the spell cast. It can absorb and store up to 25 levels ever. You can convert stored energy into spell slots. If you are attuned, you gain one ability: Advantage on Constitution saving throws, Ignore Somatic Requirements, When a hostile creature's movement provokes an opportunity attack from you, you can use your reaction to cast a sp