| Name | Attribute | Level | Type |
|---|---|---|---|
| Lone Villager | - | 99 | General Monster |
| Lone Villager | - | 1 | Interactive |
| Lone Warlock | - | 1 | General |
| Lonely-hearted Dan | - | 1 | General |
| Long Ear Ball | - | 1 | General |
| Long Ear Ball Monster | 90 | General Monster | |
| Long-Tailed Winged Cockroach | 99 | Elite Monster | |
| Long-abandoned fish trap | - | 1 | Interactive |
| Long-horned Beetle | - | 1 | General |
| Long-horned Beetle | 69 | General Monster | |
| Long-horned Beetle | 67 | General Monster | |
| Long-horned Beetle Gareth | 69 | Boss Monster | |
| Long-horned Beetle King Gaemon | - | 1 | General |
| Longear Sand Spirit | 90 | General Monster | |
| Longear Sand Spirit | - | 1 | General |
| Longear Sand Spirit | 90 | General Monster | |
| Lord Hadari | - | 1 | General |
| Lord Hadari | 70 | Elite Monster | |
| Lord of Ectoplasm | 110 | General Monster | |
| Lord of the Apocalypse Akhazun | 69 | Elite Monster | |
| Lord of the Apocalypse Akhazun | 69 | Elite Monster | |
| Lord of the Apocalypse Akhazun | 59 | Elite Monster | |
| Lord of the Apocalypse Akhazun | - | 59 | Elite Monster |
| Lord of the Apocalypse Akhazun | 59 | Elite Monster | |
| Lorena | - | 1 | General |
| Lorenzo | - | 1 | General |
| Loser Tribe Bandit | - | 72 | General Monster |
| Losha, King of Thieves | 59 | Elite Monster | |
| Losha, King of Thieves | - | 1 | General |
| Lost Ancient God | - | 1 | General |
| Lost Bag | - | 68 | Interactive |
| Lost Crate | - | 1 | Interactive |
| Lost Goods | - | 1 | Interactive |
| Lost Light Crystal | 98 | General Monster | |
| Lost Light Crystal | 114 | General Monster | |
| Lost Light Crystal | 128 | Elite Monster | |
| Lost Metropolis Portal Guard | - | 1 | General |
| Lost Sheep | 111 | Elite Monster | |
| Lost Sheep | 111 | Elite Monster | |
| Lost Sheep | 101 | Elite Monster | |
| Lost Sheep | 111 | Elite Monster | |
| Lost Spectral | 85 | General Monster | |
| Lost Yak | - | 68 | General |
| Lost Yak | - | 1 | General |
| Lotte Grimalkin Lottem | - | 5 | General |
| Lottery Boss | - | 1 | General |
| Lotus frog | - | 5 | General |
| Love Herb | - | 1 | Interactive |
| Love Pharmacist Sheena | - | 1 | General |
| Loving Snow Sprite | - | 1 | General |