| Nightmare cacodemon | 
| Appearance: | O | 
| Health: | 100 | 
| Armor: | 2 | 
| Accuracy: | +6 melee, +6 ranged | 
| Melee Damage: | 5d3 = 5-15 = 10 avg | 
| Projectile Damage: | 3d7 = 3-21 = 12 avg: plasma damage, radius 1 | 
| Speed: | 120% | 
| Standard Depth: | 51+ | 
| Experience Value: | 320 | 
| Inventory: | None | 
| AI habits: | Uses items: | No | 
| Uses doors: | No | 
| Attack %: | 50 | 
| Special abilities: | This enemy flies, so it is immune to both damage and movement-slowing from fluids. Has 50% resistances to fire, acid, and plasma damage. | 
| Ingame description: | Hell's latest improvement on demonic warfare - they're stronger, tougher, and angrier than ever. | 
| Comments/special: | Will run through any fluid to reach player. Their fireballs are additionally more difficult to dodge than regular Cacodemon fireballs. |