Clipping of ダメージカウンター (damēji kauntā, “damage counter”).

縦し: so-so; even if

ascension into heaven / dying

Alternative spelling of 近江 (Ōmi): Ōmi Province / Alternative spelling of 近江 (Ōmi): the ancient name for 琵琶湖 (Biwako, “Lake Biwa”) / a surname