Armor Class 15 ({@item chain shirt|phb})
Hit Points 37 (5d8 + 15)
Speed 30 ft.
Saving Throws DEX +4, CON +5
Skills Arcana +6, Intimidation +3, Perception +1
Senses passive Perception 11
Languages any one language (usually Common)
Challenge 4
Empowered Spell (3/Day). When the blastseeker rolls damage for a spell, it can reroll up to four dice of damage. It must use the new dice.
Tides of Chaos (1/Day). The blastseeker makes one attack roll, ability check, or saving throw with advantage.
Warhammer. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 2) bludgeoning damage, or 7 (1d10 + 2) bludgeoning damage if used with two hands.
Guildmaster's Guide to Ravnica, p. 242