| Name | Classes | Levels |
| Ice Strike (Rank 3) | Necromancer | 35 |
| Ice Strike (Rank 4) | Necromancer | 50 |
| Ice Strike (Rank 5) | Necromancer | 65 |
| Ice Strike (Rank 6) | Necromancer | 80 |
| Ice Strike (Rank I) | Necromancer | 7 |
| Ice Strike (Rank II) | Necromancer | 20 |
| Idol of Set | Tempest of Set | 25 |
| Imperil (Rank 1) | Priest of Mitra | 20 |
| Imperil (Rank 1) | Priest of Mitra | 20 |
| Imperil (Rank 2) | Priest of Mitra | 35 |
| Imperil (Rank 3) | Priest of Mitra | 50 |
| Imperil (Rank 4) | Priest of Mitra | 65 |
| Imperil (Rank 5) | Priest of Mitra | 80 |
| Impish Horde | Demonologist | 70 |
| Infernal Knowledge (Rank 1) | Demonologist | 1 |
| Infernal Knowledge (Rank 2) | Demonologist | 20 |
| Inferno | Herald of Xotli | 40 |
| Inferno Curse (Rank 1) | Herald of Xotli | 40 |
| Inferno Curse (Rank 2) | Herald of Xotli | 55 |
| Inferno Curse (Rank 3) | Herald of Xotli | 70 |
| Inferno of Ahmer (Rank 1) | Demonologist | 14 |
| Inferno of Ahmer (Rank 3) | Demonologist | 50 |
| Inferno of Ahmer (Rank 4) | Demonologist | 65 |
| Inferno of Ahmer (Rank 5) | Demonologist | 80 |
| Inner Charge | Tempest of Set | 25 |
| Iron Hide | Bear Shaman | 70 |
){kind=link}