The first 4 » 8 times you use an Ammo item each fight, Slow an item for 1 second(s).

If you have exactly one Weapon, it has +5 » +10 Max Ammo.

...if it is also Aquatic, it has +25 » +50 Damage.

The first 3 » 6 times you Crit each fight, Reload another item 1 Ammo.

Your items have +1 » +2 » +3 Max Ammo.

When you use an Ammo item, Burn 2 » 3 » 4.

When you Freeze, Reload a Weapon 1 » 2 » 3 Ammo.

Your Weapons have +1 » +2 » +3 Damage for each Ammo on your items.

When you use an item with Ammo, it gains +5% » +10% Crit Chance for the fight.