Grenades or bombs (癇癪玉 Kanshakudama) are small hand tossed explosives.
Description
Grenade is basically a bomb with fuse that must be lit before thrown at Guards. It has a blast radius, take sometime before ignited, and sometimes causes an incendiary effect. A bulky but destructive weapon, handler must carefully aim for the bomb will not harm the user or anyone under the user's protection.
Background Information and Notes
Grenades used in game may very well based on Thunder Crash Bomb developed in the 12th-13th century Song and Jin-era China. Like the latter, one must burn its fuse in order to activate it before being thrown at the enemy.