Surprisingly Sturdy Branch
World Tree+2 to +3Merchant line

Surprisingly Sturdy Branch

Only the ghost merchant sells this line. A blade of it shows this look once its highest grade reaches +2, until +4.

Before and after

Fallen BranchFallen Branch+0 to +1Surprisingly Sturdy BranchSurprisingly Sturdy Branch+2 to +3Club That Refuses to BreakClub That Refuses to Break+4 to +5

See every World Tree form on the World Tree swords page or the whole evolution tree.