Stand Name: Katyusha
Stand Appearance: Katyusha is a normal looking green pen that stand users and non-stand users can both see.
Stand Ability: Anything injected with Katyusha's ink will turn into an artificial replacement, such as making a right leg mechanical or replacing a left arm with a cannon. It can be injected into larger objects to make larger creations. These replacements can be seen by non-stand users
Development Potential: A