Saber is the Servant at the centre of Fate/stay night, a Japanese visual novel later adapted into anime, and Excalibur is her sword and Noble Phantasm. In battle she calls its name in Japanese, rendered as Ekusu Karibaa, just before releasing its light. Clips of that shout spread through anime music videos, gaming montages and short-form edits, where it became shorthand for an unstoppable finishing move. It sits alongside other shouted anime power moments like Za Warudo and Mangekyo Sharingan in fan edits, and it endures because the delivery is instantly recognisable even to viewers who have never watched Fate.