Architects Pearl

Brownish and dirty crystalline beads. Their surface is hard, rough, and sandy. Upon breaking they crumble in brown sand and dust.

Empower: As part of casting a spell that belongs to Transmutation or Illusion school of magic, you can break a number of these to increase the level of spell slot used by that many levels.

Quickened Reconstruction: As an action, you can touch a structure, object, or such creature and crush a number of beads. The target rolls that many d8 and adds it's Constitution modifier that many times, it restores that many hitpoints.