| — |
| 1 |
 Infernal Fire | — | 50 |
 Infernal Fire | — | 1 |
 Infernal Spawn Trigger | — | — |
 Infernal Steed | — | 1 |
 Inferno | — | 50 |
| Inferno | — | — |
| Inferno | — | 62 |
| Inferno | — | 62 |
| Inferno | — | — |
 Inferno | — | 50 |
| Inferno | 350 Mana | 50 |
| Inferno | — | — |
| Inferno Dummy Effect | — | 62 |
| Inferno Effect | — | 50 |
| Inferno Effect | — | 50 |
 Inferno Gloves | — | — |
 Inferno Shell | 300 Mana | 30 |
 Infinite Crustacean | — | 1 |
 Infinite Dragon's Call | 50 Mana | 60 |
 Infinite Frog | — | — |
 Infinite Whelpling | — | — |
 Infinite Wisdom Shadow Word: Pain Bonus | — | — |
| Initialize Image | — | — |
| Initialize Images | — | — |
| Initialize Tank | — | — |
| Initialize Twin | — | — |
| Initiate Secret Technique | — | — |
 Initiative | — | — |
| Initiative | — | — |
| Initiative | — | — |
| Initiative | — | — |
| Initiative | — | — |
| Initiative | — | — |
| Injure Self | — | 1 |
| Injure Self on Spawn | — | 1 |
 Injured | — | — |
 Ink Spray | — | 24 |
| Inlaid Copper Ring | — | — |
| Inlaid Copper Ring | — | — |
| Inlaid Mithril Cylinder | — | — |
| Inlaid Mithril Cylinder | — | — |
| Inlaid Mithril Cylinder Plans | — | — |
 Inlaid Thorium Hammer | — | — |
 Inner Courage 20 | — | — |
 Inner Fire | 30 Mana | 12 |
| Inner Fire | 105 Mana | 30 |
| Inner Fire | — | — |
| Inner Fire | — | — |
