A cleric can solo even con to yellow Dwell mobs, even though undead mobs are less difficult... but it really is not the fastest procedure. Melee them down and use ward, rotate stuns and contravention nukes. Soloing works far better that way than employing a tank merc and just chain https://sethrpjcu.wikigdia.com/5594924/dnd_caster_no_further_a_mystery