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Game data · App / Regulation 1.17
World · Boss
Starscourge Radahn
Radahn opens the festival fight with ranged attacks across the dunes, then fights with paired greatswords and gravity magic.
Location and access
Wailing Dunes
Starscourge Radahn
Starscourge Radahn at the Wailing Dunes
Starting Site of Grace: Chamber Outside the Plaza
Activate the Radahn Festival by progressing Ranni's investigation or reaching and resting in Altus Plateau.
Reach Redmane Castle in southeastern Caelid. During the festival, use the sending gate beside Impassable Greatbridge to enter the castle.
Speak to Jerren in the festival courtyard and confirm that you are ready. Go through the chapel behind him and take the lift down to the shore.
Use the beach sending gate to enter the Wailing Dunes, then defeat Starscourge Radahn for the remembrance. The summon signs in the arena are optional help.
HP and damage negation
Values below are for solo play on the first playthrough. HP is maximum health. Temporary protection and other state changes are explained in the notes.
Starscourge Radahn
Solo, first playthrough
HP
9,572
Damage type
Damage negation
Standard
10%
Strike
10%
Slash
10%
Pierce
0%
Magic
20%
Fire
20%
Lightning
20%
Holy
40%
Notes
Victory awards Radahn’s Great Rune and Remembrance of the Starscourge. Enia offers Starscourge Greatsword or Lion Greatbow for the remembrance.
The festival must be active. Reaching and resting in Altus or advancing Ranni’s investigation are ways to trigger it.
Speak to Jerren, pass through the chapel and use the shore sending gate. The ordinary Redmane plaza duo is a different encounter.
Gold signs throughout the arena call festival allies. More signs can become available after allies fall, so look for replacements when you have room.
The opening gravity arrows punish a stationary summon or flask animation. Keep watching Radahn while using signs.
When he vanishes into the sky, prepare for the meteor return and keep moving into open space.
Later floating rocks can remain a threat while you fight the swords. Keep the projectiles in view before committing to a long attack.
Winning opens the starfall crater near Fort Haight, giving the normal route into Nokron.
Radahn and Mohg, Lord of Blood are both required for entering the Realm of Shadow.
Return to Jerren afterward and finish his dialogue to restore Redmane Castle’s ordinary state when you reload.