Gromki, the Dwarf Rune Priest, was conceived as a non-healing support Hero, but he's changed a lot over multiple iterations. While he still has no healing abilities, he's now moved into the role ...

Drop down to the bottom floor where the lava is. Dwarven Staff Rune is for a different achievement called Staff of the Lost. Dwarven Shield Back is behind a pillar on the southwestern side.