In Elden Ring, what is the name of the festival held to challenge Starscourge Radahn?

In Elden Ring, the event held to challenge Starscourge Radahn is called the Radahn Festival.

The festival takes place at Redmane Castle in southern Caelid. Its purpose is to gather warriors who will face Radahn, the demigod general whose gravitational magic has halted the movement of the stars. The assembled fighters enter the castle’s plaza and use a large teleporter to reach the battlefield in the Wailing Dunes.

The festival changes Redmane Castle’s available enemies and NPC presence after the player meets certain progression conditions, including advancing through parts of the world or reaching particular stages of the story. The gathering is sometimes described informally as a tournament, but “Radahn Festival” is the game’s established name. The encounter’s unusual cooperative structure lets several named warriors join the battle through summon signs.