| Name | Class | XP Level | Timeline | Zone |
| Ice Beast | Elementalist | Post Searing | Mineral Springs | |
| Ice Elemental | Elementalist | Pre Searing | Wizards Folly | |
| Ice Elemental Shard | Elementalist | Pre Searing | Wizards Folly | |
| Ice Golem | Elementalist | Post Searing | Borlis Pass, Iron Horse Mine, Travelers Vale | |
| Ice Imp | Elementalist | Post Searing | Frozen Forest [22] Ice Caves Of Sorrow [22] Ice Floe [22] Mineral Springs [22] Talus Chute [22] Lornar's Pass [22], Depths Of Tyria, Far Shiverpeaks | |
| Icy Brute | Warrior | Post Searing | Mineral Springs, Tascas Demise | |
| Icy Stalagmite | Depths Of Tyria | |||
| Igg Fecpelter | Ranger | Post Searing | The Great Northern Wall | |
| Igneous Ettin | Warrior | Post Searing | Perdition Rock, Ring Of Fire | |
| Ignis Effigia | Necromancer | Post Searing | Perdition Rock | |
| Ignis Phanaura | Mesmer | Post Searing | Diessa Lowlands, Old Ascalon | |
| Immolated Djinn | 22 | |||
| Infernal Wurm | Warrior | 28 | Post Searing | Fissure Of Woe |
| Inferno Imp | Elementalist | Post Searing | Sanctum Cay, Stingray Strand, Talmark Wilderness | |
| Ipillo Wupwup | Monk | Post Searing | Witmans Folly | |
| Irontooth Drake | ||||
| Irukandji | 22 | |||
| Issah Sshay | Elementalist | Post Searing | Thirsty River | |
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