The Icerail Ammo Pouch determines the number of each type of Icerail ammunition that can be carried in the inventory.
Aloy begins Horizon Zero Dawn with a carry capacity of 20 Icethrowers and 4 Ice Cannons. The number increases as the pouch is upgraded through crafting.
Crafting[]
| Upgrade | Capacity | Crafting Cost |
|---|---|---|
| 1 | 30 Icethrower 6 Ice Cannon |
 5040 Ridge-Wood 5 Metalburn |
| 2 | 40 Icethrower 8 Ice Cannon |
100 10 Fatty Meat 1 Goat Bone |
| 3 | 50 Icethrower 10 Ice Cannon |
200 1 Fish Bone 1 Goat Skin |
| 4 | 60 Icethrower 12 Ice Cannon |
500 200 Ridge-Wood 1 Owl Skin |