They are 5* swords that start 5*. All of them deal piercing.
It is fast like the flourish, and it has different weapon choices. They all have a high chance of dealing a status effect.

Unkown Killer: Deals strong shock
Hithard: Deals strong stun
Warm Death: Deals strong fire
Ghostbane: Deals moderate curse
Nevermelt: Deals strong freeze
Spear o' Poison: Deals strong poison
Eternal Sleep: Deals strong sleep

All of their charges are the same: Depending on their status they deal, a colored storm of piercing knives fall in a straight line in front of them.