 General Graardor (PvM Arena)M | | Bosses | 624 | 60 | |
 Ghost | | Ghosts | | | |
 Ghost (Grave of Scorpius)M | | Ghosts | 24 | 3 | |
| Ghost (Melzar's Maze) | | Ghosts | 19 | 2 | |
 Giant crypt spiderM | | Spiders | 79 | 8 | |
 Giant goblinM | | Goblins | | 27 | |
 Giant Mole (PvM Arena)M | | Bosses | 230 | 21 | |
 Giant rat | | Rats | | | |
 Giant rat (Scurrius)M | | Rats | 46 | 4 | |
 Giant ScarabM | | Scabarites | 191 | 20 | |
 Giant Scarab (Nightmare Zone)M | | Scabarites | | | |
| Giant spider | | Spiders | | | |
| Goblin | | Goblins | | | |
 Greater abyssal demon (Deadman)M | | Abyssal Demons | | 27 | |
| Greater demon | | Greater Demons | | | |
 Greater demon (The Scar)M | | Greater Demons | 92 | 9 | |
 Greater NechryaelM | | Nechryael | 200 | 21 | |
 Green dragonM | | Green Dragons | | 8 | |
 Grizzly bear (Escape Caves)M | | Bears | 83 | 8 | |
 Gryphon (Troubled Tortugans)M | | Gryphons | 95 | 8 | |
 Guthan the InfestedM | | Bosses | 115 | 24 | |
 HazeM | | Ghosts | 29 | 3 | |
| Hobgoblin | | Hobgoblins | | | |
 Hobgoblin (The Slug Menace)M | | Hobgoblins | 28 | 3 | |
| Ice giant | | Ice Giants | 53 | 7 | |
| Ice spiderM | | Spiders | 61 | 6 | |
 Ice troll femaleM | | Trolls | 82 | 6 | |
 Ice Troll KingM | | Trolls | 122 | 21 | |
 Ice Troll King (Nightmare Zone)M | | Trolls | | | |
 Ice troll maleM | | Trolls | 82 | 17 | |
 Ice troll runtM | | Trolls | 74 | | |
 Iorwerth WarriorM | | Elves | 108 | 10 | |
 Iron dragonM | | Metal Dragons | | | |
 Jal-AkM | | TzHaar | 165 | 29 | |
 Jal-AkRek-KetM | | TzHaar | 70 | 18 | |
 Jal-AkRek-MejM | | TzHaar | 70 | 18 | |
 Jal-AkRek-XilM | | TzHaar | 70 | 18 | |
 Jal-ImKotM | | TzHaar | 240 | 49 | |
 Jal-ImKot (Deadman)M | | TzHaar | 240 | 49 | |
 Jal-MejJakM | | TzHaar | 250 | 10 | |
 Jal-MejRahM | | TzHaar | 85 | 19 | |
 Jal-NibM | | TzHaar | 32 | 4 | |
 Jal-XilM | | TzHaar | 370 | 46 | |
 Jal-ZekM | | TzHaar | 490 | 70 | |
 JalTok-JadM | | TzHaar | 900 | 113 | |
| JellyM | | Jellies | 78 | 5 | |
 Judge of Yama (A Kingdom Divided)M | | Greater Demons | 168 | 12 | |
 Jungle spider (Ape Atoll)M | | Spiders | 37 | 10 | |
 K'ril Tsutsaroth (Deadman)M | | Bosses, Greater Demons | 650 | 46 | |
 K'ril Tsutsaroth (PvM Arena)M | | Bosses, Greater Demons | 650 | 30 | |