| Name | Attribute | Level | Type |
|---|---|---|---|
| Defense Device Charger | 98 | General Monster | |
| Defense Device Guard | 99 | Elite Monster | |
| Defense Device Guardian | 71 | Elite Monster | |
| Defense Fence | - | 1 | General |
| Defense Fence | - | 1 | General |
| Defense Fence | - | 1 | General |
| Defense System Core | 63 | General Monster | |
| Defense System Core | 70 | General Monster | |
| Defense System Core | 68 | General Monster | |
| Defense System Core | 63 | General Monster | |
| Defense System Core | 63 | General Monster | |
| Defensive Device Charger | 70 | General Monster | |
| Defensive Source | - | 91 | General Monster |
| Dehydrated Small Tree | - | 1 | General |
| Delayed Treatment | - | 1 | General |
| Delia | - | 1 | General |
| Delirium Nymph | 71 | General Monster | |
| Delivery Company Boss Marceline | - | 1 | General |
| Demon Blade Rampage | - | 1 | General |
| Demon Knight | 69 | Elite Monster | |
| Demon Knight | 71 | Boss Monster | |
| Demon Knight | 84 | Elite Monster | |
| Demon Knight | 69 | Elite Monster | |
| Demon Knight | 84 | Elite Monster | |
| Demon Lord Babbit | - | 1 | General |
| Demon Mount | 69 | Elite Monster | |
| Demon Mount | 84 | Elite Monster | |
| Demon Mount | 84 | Elite Monster | |
| Demon Mount | 69 | Elite Monster | |
| Demon Plague Spirit | 106 | General Monster | |
| Demon Plague Spirit | 106 | General Monster | |
| Demon Plague Spirit | 106 | General Monster | |
| Demon Sonata | - | 1 | General |
| Demon Star Guard | 98 | General Monster | |
| Demon Star Shadow Knight | 98 | General Monster | |
| Demon of Lava | 90 | General Monster | |
| Demon of Lava | 90 | General Monster | |
| Demon-Slaying Arrow | - | 1 | General |
| Demonic Blade · Flower Legion | - | 98 | General Monster |
| Demonic Crawler | 65 | General Monster | |
| Demonic Cube | 69 | General Monster | |
| Demonic Strider | 20 | General Monster | |
| Demonized Giant King Satan | 14 | Boss Monster | |
| Deputy Captain Rowan | - | 1 | General |
| Desert Bandit 36 | - | 49 | General Monster |
| Desert Bandit Leader Clark | 48 | Boss Monster | |
| Desert Bazaar Crystal | - | 99 | Crystal |
| Desert Berserker Rusemangi | 88 | Boss Monster | |
| Desert Berserker Rusemangi | 88 | Boss Monster | |
| Desert Canyon | - | 1 | General |