| Murderous Hydrad | 77 | 97,717 | — | — |
| Mussel Maiden | 86 | 36,818 | 791 | |
| Mutant Antitan King | 54 | 11,865 | 476 | — |
| Mutant Cactopod | 7 | 330 | 63 | |
| Mutant Centipod | 44 | 8,941 | 386 | |
| Mutant Horntail | 55 | 14,924 | 483 | — |
| Mutant Jackaleopardite | 41 | 7,780 | 360 | |
| Mutant Pyrolizard | 37 | 5,271 | 329 | — |
| Mutant Squama | 35 | 3,879 | 357 | — |
| Mutant Whirler Turtle | 21 | 2,106 | 210 | |
| Mutated Electro Skatefish | 12 | 782 | 108 | — |
| Mutated Seagrub | 3 | 124 | 28 | — |
| Mutated Spidercrab | 9 | 475 | 82 | — |
| Mutinous Prisoner | 58 | 16,357 | 509 | |
| Myriadtail Wyvern's Spirit | 65 | 1,039,240 | 1 | |
| Mysterious Old Man | 100 | 40,622 | — | — |
| Mysterious Pet | 150 | 3,000 | 1 | |
| Mystery of Antiquity | 150 | 23,977,103 | 882 | — |
| Mystical Jarax | 150 | 2,408,753 | 840 | — |
| Mystical Jarax | 150 | 5,294,312 | 840 | — |
| Mystical Jarax | 150 | 264,716 | 840 | — |
| Mystical Jarax: Mirror | 150 | 520,973 | 831 | |
| Mystical Ultrafin | 39 | 4,719 | 397 | |
| Mythical Wolfkin | 48 | 51,170 | 421 | |
| Napolong | 50 | 4,523,922 | 1 | |
| Native Vipion | 41 | 6,365 | 439 | |
| Nebula Dust | 89 | 4,024,657 | 2,346 | |
| Neglected Vipion | 54 | 11,865 | 577 | — |
| Neolithic Wolf | 48 | 8,373 | 425 | |
| Nether Flame | 3 | 124 | 24 | |
| Netherflame Cerebus | 18 | 2,141 | 159 | — |
| Nethermaid | 30 | 3,724 | 262 | |
| Netherplane Grimalking | 48 | 10,234 | 420 | — |
| Nether Servant | 38 | 19,361 | 847 | |
| Nether Servant | 150 | 26,748 | 1 | |
| Netherworld Soulreaper | 20 | 2,461 | 175 | — |
| Newborn Pyrolizard | 34 | 4,644 | 302 | — |
| Nien Beast | 150 | 150,000,000 | — | — |
| Nien Beast·Mighty | 75 | 118,584,802 | — | — |
| Nien Captain | 75 | 37,057,750 | — | — |
| Nightfall Watcher | 150 | 26,374 | 1 | |
| Night Howler | 150 | 26,374 | 1 | |
| Nightmare Bonecrusher | 8 | 380 | 73 | — |
| Nightspike Agent | 100 | 1,127,767 | 875 | — |
| Nightspike Apprentice | 13 | 864 | 122 | — |
| Nightspike Assassin | 16 | 1,653 | 140 | — |
| Nightspike Bloodguard | 75 | 510,012 | 1,664 | |
| Nightspike Bloodguard | 100 | 1,127,767 | 875 | — |
| Nightspike Cannibal | 150 | 80,000 | 1 | |
| Nightspike Cavalier | 100 | 46,420 | 1,011 | — |