Kelp-Wrapped Blade Shard
Fishblade+0 to +1Merchant line

Kelp-Wrapped Blade Shard

Only the ghost merchant sells this line. A blade of it shows this look once its highest grade reaches +0, until +2.

Before and after

The first form
Kelp-Wrapped Blade ShardKelp-Wrapped Blade Shard+0 to +1Cuttlebone KnifeCuttlebone Knife+2 to +3

See every Fishblade form on the Fishblades page or the whole evolution tree.