Alba is Guardener that appears in dungeons. It can move by stretching walls and ceilings with its thin body. It is good at surprise attacks. So in a battle with Alba, we mainly use special weapons.

アルバはダンジョンに現れる敵だよ　細いボディで壁や天井を張って移動できるんだ　奇襲攻撃が得意だよ　だからアルバとの戦闘では主に銃を使うんだ