500 Zombie DamageHigh Knockback
The item id for Frost Grenade Boss in unturned is 36138. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Throwable
Size_Z: 0.3
Player_Damage: 5
Zombie_Damage: 5500
Animal_Damage: 25
Barricade_Damage: 25
Structure_Damage: 25
Vehicle_Damage: 25
Resource_Damage: 25
Object_Damage: 25
Range: 10
Explosion: 34
Explosion_Launch_Speed: 19