Even with the damage reduction on Alleria's Orange Quality Shield, she still sustained quite some damage. After three strikes, over 300 thousand HP was reduced.
Behind Alleria, Li Yi fired his arrows, easily killing the three dark elves.
Since Stealth was unavailable to the Archer class, the only way he could access the ability was by transforming into a Lighting Leopard. However, the Stealth provided by the transformation had a short duration. Thus, Li Yi decided to have a main tank lead the way.
Standing still, Alleria cast healing spells to recover.
"Advance, Alleria!"
"Human, stay behind me, danger lurks!"
Alleria gripped her shield as she forged ahead.
...
The Night Emperor dungeon's difficulty lay in its invisible monsters. However, if one knew the position of the monsters, any danger was significantly reduced.
Of course, if one was not a Thief, a few battles along the way would be unavoidable.