Awakened Gem

Antimagic Susceptibility. The awakened gem is incapacitated while in the area of an antimagic field. If targeted by dispel magic, the awakened gem must succeed on a Constitution saving throw against the caster's spell save DC or fall unconscious for 1 minute.

False Appearance. While the awakened gem remains motionless, it is indistinguishable from a normal formation of gems.

Gem Ancestry. Each awakened gem has different traits depending on the type of gem it is made of.

Amethyst. An awakened amethyst gains resistance to force and psychic damage.
Limited Psionics. The awakened amethyst can cast the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
shape water, thunderwave (can only cast once per day).

Crystal. An awakened crystal gains resistance to cold and radiant damage.
Limited Psionics. The awakened crystal can cast the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
dancing lights, frost fingers (can only cast once per day).

Emerald. An awakened emerald gains resistance to fire and psychic damage.
Limited Psionics. The awakened emerald can cast the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
minor illusion, burning hands (can only cast once per day).

Sapphire. An awakened sapphire gains resistance to lightning and thunder damage.
Limited Psionics. The awakened sapphire can cast the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
mage hand, dissonant whispers (can only cast once per day).

Topaz. An awakened topaz gains resistance to cold and necrotic damage.
Limited Psionics. The awakened topaz can cast the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
spare the dying, bane (can only cast once per day).

Exploding Gem. When the awakened gem drops to 0 hit points or killed outright, it explodes, sending shrapnel in a 15 ft radius centered on itself. Any creature in range must make a Dexterity saving throw (DC 13) or take 7 (2d6) points of piercing damage.

Multiattack. The armor makes two melee attacks.

Slam. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 5 (1d6 + 2) bludgeoning damage.

Psionic. The awakened gem casts a spell from the options given to it from its ancestry.