| Murderous Hydrad | 77 | 97,717 | | 770 |
| Mussel Maiden | 86 | 36,818 | 791 | 1,355 |
| Mutant Antitan King | 54 | 11,865 | 476 | 855 |
| Mutant Cactopod | 7 | 330 | 63 | 115 |
| Mutant Centipod | 44 | 8,941 | 386 | 695 |
| Mutant Horntail | 55 | 14,924 | 483 | 870 |
| Mutant Jackaleopardite | 41 | 7,780 | 360 | 650 |
| Mutant Pyrolizard | 37 | 5,271 | 329 | 585 |
| Mutant Squama | 35 | 3,879 | 357 | 555 |
| Mutant Whirler Turtle | 21 | 2,106 | 210 | 335 |
| Mutated Electro Skatefish | 12 | 782 | 108 | 190 |
| Mutated Seagrub | 3 | 124 | 28 | 50 |
| Mutated Spidercrab | 9 | 475 | 82 | 145 |
| Mutinous Prisoner | 58 | 16,357 | 509 | 915 |
| 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 | 1,050 |
| Mystical Jarax | 150 | 2,408,753 | 840 | 10,080 |
| Mystical Jarax | 150 | 5,294,312 | 840 | 10,080 |
| Mystical Jarax | 150 | 264,716 | 840 | 10,080 |
| Mystical Jarax: Mirror | 150 | 520,973 | 831 | 9,975 |
| Mystical Ultrafin | 39 | 4,719 | 397 | 615 |
| Mythical Wolfkin | 48 | 51,170 | 421 | 480 |
| Napolong | 50 | 4,523,922 | 1 | |
| Native Vipion | 41 | 6,365 | 439 | 650 |
| Nebula Dust | 89 | 4,024,657 | 2,346 | |
| Neglected Vipion | 54 | 11,865 | 577 | 855 |
| Neolithic Wolf | 48 | 8,373 | 425 | 760 |
| Nether Flame | 3 | 124 | 24 | 50 |
| Nether Servant | 38 | 19,361 | 847 | 380 |
| Nether Servant | 150 | 26,748 | 1 | |
| Netherflame Cerebus | 18 | 2,141 | 159 | 285 |
| Nethermaid | 30 | 3,724 | 262 | 475 |
| Netherplane Grimalking | 48 | 10,234 | 420 | 760 |
| Netherworld Soulreaper | 20 | 2,461 | 175 | 315 |
| Newborn Pyrolizard | 34 | 4,644 | 302 | 540 |
| Nien Beast | 150 | 150,000,000 | | |
| Nien Beast·Mighty | 75 | 118,584,802 | | |
| Nien Captain | 75 | 37,057,750 | | |
| Night Howler | 150 | 26,374 | 1 | |
| Nightfall Watcher | 150 | 26,374 | 1 | |
| Nightmare Bonecrusher | 8 | 380 | 73 | 130 |
| Nightspike Agent | 100 | 1,127,767 | 875 | 50 |
| Nightspike Apprentice | 13 | 864 | 122 | 205 |
| Nightspike Assassin | 16 | 1,653 | 140 | 255 |
| Nightspike Bloodguard | 75 | 510,012 | 1,664 | 1,185 |
| Nightspike Bloodguard | 100 | 1,127,767 | 875 | 50 |
| Nightspike Cannibal | 150 | 80,000 | 1 | |
| Nightspike Cavalier | 100 | 46,420 | 1,011 | 500 |