Sandgem Blade

Sandgem Blade is an uncommon level 48 katana, dropped from the Green Patrolman located in Desolate Dunes. The katana has a critical chance of 5%, along with 389 base damage. Each successful upgrade will increase its damage: 15 on upgrades to +1, +3, +5, +7 and +9; 16 on upgrades to +2, +4, +6, +8, +10. When fully upgraded (+10), it has a damage of 544.