Transmuter's Stone. The transmuter carries a magic stone it crafted. The stone grants it one of the following benefits while bearing the stone; the transmuter chooses the benefit at the end of each long rest:
Darkvision. The transmuter has darkvision out to a range of 60 feet.
Resilience. The transmuter has proficiency in Constitution saving throws.
Resistance. The transmuter has resistance to acid, cold, fire, lightning, or thunder damage (transmuter's choice whenever choosing this benefit).
Speed. The transmuter's walking speed is increased by 10 feet.
Multiattack. The transmuter makes three Arcane Burst attacks.
Arcane Burst. Melee or Ranged Spell Attack: +6 to hit, reach 5 ft. or range 120 ft., one target. Hit: 19 (3d10 + 3) acid damage.
Spellcasting. The transmuter casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 14):
At will: light, message, prestidigitationTransmute (Recharge 4–6). The transmuter casts alter self or changes the benefit of Transmuter's Stone if bearing the stone.