| Item Name | Rarity | Stack Type | DLC | Category | Rainglish |
|---|---|---|---|---|---|
| Focused Convergence | Lunar | Linear, Reciprocal | - | Utility | - |
| Foreign Fruit | Equipment | - | - | Healing | - |
| Forgive Me Please | Equipment | - | - | Utility | F.M.P |
| Frost Relic | Legendary | Linear | - | Damage | - |
| Fuel Array | Equipment | - | - | Utility | - |
| Fuel Cell | Uncommon | Linear, Exponential | - | Utility | - |
| Functional Coupler | Boss | Linear | AC | Utility | Coupler |
| Gasoline | Common | Linear | - | Damage | Gas |
| Genesis Loop | Boss | Linear | - | Damage | Gloop |
| Gesture of the Drowned | Lunar | Exponential | - | Utility | Gesture |