Which pieces of the Long Sword progression set survive into endgame?

G. Arkveld Vambraces is the most reused piece across recorded Long Sword sets, so craft it first.

Long Sword · melee · counter

Long Sword Progression Build

The Long Sword progression set at HR 20–39 swaps the starter armor for G. Ebony Helm α (head), G. Arkveld Mail (chest), G. Arkveld Vambraces (arms), G. Ebony Coil β (waist), Mizutsune Greaves β (legs) and moves to Wyvern Blade "Blood" I. The point of this stage is Burst 5, Quick Sheathe 3, Critical Boost 3 and Flayer 2 — skills that keep paying off after you replace them with endgame pieces.

mid

HR 20-39 Mid-Game

HR 20–39

Weapon

Wyvern Blade "Blood" I

Charm

Sheathe Charm II

Decorations

Sheath

Armor

Head: G. Ebony Helm α
Chest: G. Arkveld Mail
Arms: G. Arkveld Vambraces
Waist: G. Ebony Coil β
Legs: Mizutsune Greaves β

Activated Skills

Burst 5Quick Sheathe 3Critical Boost 3Flayer 2

Damage profile from Critical Boost Lv3: approximately 1× raw, or 1× against weak points (approximate model, white sharpness assumed).

Long Sword Progression FAQ

What is the best Long Sword progression build?: At HR 20–39 the Long Sword moves to Wyvern Blade "Blood" I with G. Ebony Helm α (head), G. Arkveld Mail (chest), G. Arkveld Vambraces (arms), G. Ebony Coil β (waist), Mizutsune Greaves β (legs) and Sheathe Charm II.
Which pieces of the Long Sword progression set survive into endgame?: G. Arkveld Vambraces is the most reused piece across recorded Long Sword sets, so craft it first.
What HR does the Long Sword progression set cover?: It is recorded for HR 20–39.