Armor Class 18 ({@item plate armor|phb})
Hit Points 117 (18d8 + 36)
Speed 30 ft.
Saving Throws CON +5, WIS +6
Skills Intimidation +4, Religion +3
Senses passive Perception 13
Languages any one language (usually Common)
Challenge 7
Multiattack. The firefist makes two greatsword attacks.
Greatsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) slashing damage.
Guided Attack (Recharges after a Short or Long Rest). When the firefist or one creature it can see within 30 feet of it makes an attack roll, the firefist grants a +10 bonus to that roll.
Guildmaster's Guide to Ravnica, p. 231