Death Claw
From Chrono Wiki, a database for the Chrono series that anyone can edit
Item Description: An attack arm employing fearsome claws.
The Death Claw (Known as Doom Finger in the SNES and Playstation versions) is Robos 5th weapon. It has an attack of 50 and can be found at the Fiendlord's Keep in a chest. It sells for 4,900 G.