A Large hand of shimmering force appears (Concentration, 1 min). The hand has AC 20, HP equal to your HP maximum, and STR 26. Use a Bonus Action each turn to command it: Clenched Fist (1d8+spellcasting mod Force, melee), Forceful Hand (push one creature up to 5×spellcasting mod feet, STR save), Grasping Hand (grapple STR 26 vs. target's STR/DEX), or Interposing Hand (impose Disadvantage on attacks against you). Higher Slot: +2d8 Force per slot above 5.

Material: an eggshell and a snakeskin glove