| IGC Invisible StalkerNPC #137214 | Unknown | Normal | Identity record |
| Ik'thik Tendon-SlicerNPC #59888 | Unknown | Normal | Identity record |
| Illidari ShocktrooperNPC #19802 | Unknown | Normal | Identity record |
| Illuminated HatchlingNPC #228312 | Unknown | Normal | Identity record |
| Illusionary TricksterNPC #41336 | Unknown | Normal | Identity record |
| Image of Mechano-TankNPC #43133 | Unknown | Normal | Identity record |
| Imperial Eagle CreditNPC #27786 | Unknown | Normal | Identity record |
| Imprisoned EradicatorNPC #113647 | Unknown | Normal | Identity record |
| Incandescent DustwingNPC #123012 | Unknown | Normal | Identity record |
| Incarnation of HatredNPC #68877 | Unknown | Normal | Identity record |
| Incomplete SiegebeastNPC #159754 | Unknown | Normal | Identity record |
| Inconspicuous WatcherNPC #239353 | Unknown | Normal | Identity record |
| Inert Creation BearerNPC #185478 | Unknown | Normal | Identity record |
| Infected Grizzly BearNPC #26706 | Beast | Normal | Identity record |
| Infected Sludge GuardNPC #48017 | Unknown | Normal | Identity record |
| Infested WitchberriesNPC #66082 | Unknown | Normal | Identity record |
| Infinite Chrono-MagusNPC #27898 | Unknown | Normal | Identity record |
| Infinite ChronomancerNPC #17892 | Unknown | Normal | Identity record |
| Infinite ChronomancerNPC #21136 | Unknown | Normal | Identity record |
| Infinite ChronoweaverNPC #205384 | Unknown | Normal | Identity record |
| Infinite ChronoweaverNPC #217060 | Unknown | Normal | Identity record |
| Infinite Scale-ReaverNPC #72634 | Unknown | Normal | Identity record |
| Infinte Cosmic PowersNPC #89833 | Unknown | Normal | Identity record |
| Inna the CryptstalkerNPC #106245 | Unknown | Normal | Identity record |
| Inquisitior CleardawnNPC #126420 | Unknown | Normal | Identity record |
| Inquisitive HatchlingNPC #265309 | Unknown | Normal | Identity record |
| Insatiable ConsumptorNPC #257185 | Beast | Normal | Identity record |
| Insatiable ConsumptorNPC #257189 | Beast | Normal | Identity record |
| Insatiable ConsumptorNPC #257396 | Unknown | Normal | Identity record |
| Insatiable ConsumptorNPC #257765 | Beast | Normal | Identity record |
| Insatiable ConsumptorNPC #257963 | Beast | Normal | Identity record |
| Instructional CrystalNPC #196837 | Unknown | Normal | Identity record |
| Instructor ChillheartNPC #58633 | Unknown | Normal | Identity record |
| Instructor DuskwalkerNPC #132632 | Unknown | Normal | Identity record |
| Instructor DuskwalkerNPC #140241 | Humanoid | Special | Identity record |
| Instructor OakensteadNPC #150244 | Unknown | Normal | Identity record |
| Interact Tree StalkerNPC #161094 | Unknown | Normal | Identity record |
| Invading ShadowcasterNPC #58032 | Unknown | Normal | Identity record |
| Invading SquallcasterNPC #206752 | Unknown | Normal | Identity record |
| Inverted Boss VehicleNPC #161981 | Unknown | Normal | Identity record |
| Invigorated ProtectorNPC #177912 | Unknown | Normal | Identity record |
| Invis Guardian CasterNPC #23043 | Unknown | Normal | Identity record |
| Invis Infernal CasterNPC #21417 | Unknown | Normal | Identity record |
| Iridescent Fey DragonNPC #79673 | Unknown | Normal | Identity record |
| Iron Flame TechnicianNPC #86607 | Unknown | Normal | Identity record |
| Iron Rune StonecallerNPC #24030 | Unknown | Normal | Identity record |
| Ironmarch ExecutionerNPC #82774 | Unknown | Normal | Identity record |
| Ironmarch LeadspitterNPC #76651 | Unknown | Normal | Identity record |
| Ironstrider ConstructNPC #216096 | Mechanical | Normal | Identity record |
| Irontide Coin CounterNPC #202398 | Humanoid | Normal | Identity record |
| Irontide MachinesmithNPC #24582 | Unknown | Normal | Identity record |
| Irradiated TechnicianNPC #42223 | Unknown | Normal | Identity record |
| Iryna the DisciplinedNPC #159407 | Unknown | Normal | Identity record |
| Isaac's Test CreatureNPC #203266 | Unknown | Normal | Identity record |
| Isiset Add ControllerNPC #42382 | Unknown | Normal | Identity record |
| Iso'rath Brain CreditNPC #52090 | Unknown | Normal | Identity record |
| Jabra'kan the PoacherNPC #139440 | Unknown | Normal | Identity record |
| Jade-Scaled WindsteedNPC #231194 | Beast | Normal | Identity record |
| Jan'sari the WatchfulNPC #268228 | Unknown | Normal | Identity record |
| Jawcrawler, HatchlingNPC #211894 | Beast | Normal | Identity record |