Any reasonably geared DD sub Ninja for shadows should be able to solo this fight as Ullegore's most threatening aspect is his casting of single target tier 5 elemental magic. See; Mumor's Encore for more fight specifics. The key item is lost upon entering the battlefield. Upon victory...
Ninja Job Point Category Description Effect per Tier Mijin Gakure Effect Increase the damage dealt by Mijin Gakure. Increase damage by 3 percent. Mikage Effect Increase physical attack while under the effects of Mikage. Increase physical attack by 3. Yonin Effect Increases physical evasion ...