| Guardian of Kuthos | 130 | | No | Blunt | -4% Blunt 30% Pierce 25% Cut 25% Soul 25% Mind |
| Guardian Knight Lancel | | | Yes | | |
| Green Triddle | 9 | | No | Pierce | |
| Green Slime | 6 | | No | Body | 50% Poison 50% Disease |
| Green Salamander | 88 | | No | Cut | 25% Soul 25% Mind |
| Greater Wyvern | 102 | Wyvern | No | Pierce | 20% Arrow 25% Nature 100% Poison |
| Greater Skeleton | 70 | Undead | No | Cut | -25% Blunt 80% Arrow |
| Greater Red Dragon | 140 | Dragon | No | Body | 45% Blunt 45% Cut 30% Arrow 70% Magic Missile 80% Nature 80% Soul 80% Mind 100% Body |
| Greater Kudo | 82 | | No | Blunt | -4% Blunt 10% Cut |
| Greater Green Dragon | 140 | Dragon | No | Nature | 50% Blunt 30% Arrow 70% Magic Missile 90% Nature 70% Soul 70% Mind 70% Body |
| Greater Gold Dragon | 140 | Dragon | No | Soul | 40% Cut 30% Arrow 70% Magic Missile 80% Nature 100% Soul 80% Mind 80% Body 100% Poison |
| Greater Blue Dragon | 140 | Dragon | No | Mind | 50% Pierce 30% Arrow 70% Magic Missile 80% Nature 80% Soul 70% Mind 80% Body |
| Grass Viper | 5 | Vermin | No | Pierce | 75% Poison |
| Grasping Tentacles | 114 | | No | Blunt | 20% Blunt 20% Arrow 20% Body 100% Poison 100% Disease |
| Graal Roachard | 14 | | Yes | Mind | 50% Arrow 100% Magic Missile 100% Nature 100% Soul 100% Mind 100% Body |
| Gorilla Shaman | 105 | | No | | -5% Pierce 10% Nature 25% Mind |
| Gorgar the Pit Fiend | 200 | | Yes | | 15% Blunt 30% Pierce 20% Arrow |
| Golem | 52 | | No | Blunt | 50% Blunt 75% Mind |
| Goblin Worker | 4 | | No | | |
| Goblin Warrior | 19 | | No | | |