| Imortus (Exhiti) | Thais | -3 | 1 |
| infiltration mission | Venore | -1 | 1 |
| Inkwing | Boss Lairs | -2 | 1 |
| Inquisition | Thais | Surface | 1 |
| Insectoid cell (gooey mass) | Gray Beach | 6, 5, 4, 3, 2, 1, Surface, -1 | 16 |
| Intricate cage key | Liberty Bay | -6 | 1 |
| Irahsae (exact spawn tile) | Darashia | -1 | 1 |
| Irahsae (Rise of Devovorga) | Darashia | Surface | 1 |
| Irgix the Flimsy | Gray Beach | -1 | 1 |
| Irrigation funnel | Rathleton | -5 | 7 |
| Island of Destiny — Training Centre | Isle of Destiny | Surface | 1 |
| Jack's Home | Edron | Surface | 1 |
| Jade amulet (TibiaHoF) | Thais | -3 | 1 |
| Jaded Roots (boss: Murcion) | Oramond | -6 | 1 |
| Jailer (exact spawn tile) | Gray Beach | Surface | 1 |
| Jar | Feyrist | -1 | 4 |
| Jar #1 | Ankrahmun | -1 | 1 |
| Jar #2 | Tiquanda | -2 | 1 |
| Jar #3 | Ankrahmun | -3 | 1 |
| Jar #4 | Tiquanda | -4 | 1 |
| Jar #5 | Ankrahmun | -5 | 1 |
| Jaul | Gray Beach | -4 | 2 |
| Jaul (exact spawn tile) | Gray Beach | -4 | 1 |
| Jesse the Wicked (spawn location) | Thais | -4 | 1 |
| Journal shield (BomDiaTibia) | Thais | -3 | 1 |
| Journey task | Blue Valley | Surface | 1 |
| Jug of gold lye | Issavi | -4 | 1 |
| Jungle Grass (cut to access Barkless) | Ab'Dendriel | Surface | 1 |
| Junk trunk | Venore | -3 | 3 |
| Katex Blood Tongue | Darashia | -5 | 1 |
| Kazordoon | Gnomegate | 2, -2, -7 | 3 |
| Key 0010 (silver key) | Dawnport | 4 | 1 |
| Key 0555 | Krailos | 1 | 1 |
| Key 3520 | Carlin | -1 | 1 |
| Key 3700 | Venore | -1 | 1 |
| Key 3801 (copper key) | Kazordoon | 4 | 1 |
| Key 3802 (copper key) | Kazordoon | -7 | 1 |
| Key 3940 (wooden key) | Travora | -1 | 1 |
| Key 3980 (golden key) | Thais | -3 | 1 |
| Key 4501 (copper key) | Dawnport | -3 | 1 |
| Key 4502 (copper key) | Carlin | -2 | 1 |
| Key 4503 (copper key) | Dawnport | -1 | 1 |
| Key 5000 (silver key) | Kazordoon | 1 | 1 |
| Key 5010 (silver key) | Venore | -1 | 1 |
| Key of numerous locks (TibiaCz) | Thais | -2 | 1 |
| Killing Task | Ab'Dendriel | -4 | 1 |
| King Zelos | Dawnport | -1 | 1 |
| Knight | Venore | -4 | 1 |
| Knight and paladin spells | Venore | -4 | 1 |
| Knight spells | Ankrahmun | 2, 1, Surface | 3 |