After collecting all three memories in Dreamplay Manor, return to Crimson Forest. Use the giant lantern-hung tree and the threads converging on it to identify the snowy arena.
When both health bars are visible, move into open ground and keep both opponents in view. If one closes in with a purple trail, move sideways and check the other opponent’s position before attempting a short punish.

After the finisher, confirm the one-handed weapon in the equipment prompt. Close it and check the subsequent reward for the forging material used to upgrade the paired blades.

