"Small scarecrow-like homunculi with sackcloth faces. They are named for the god of war for their belligerent and agressive nature."
Requires the Mask to be in your inventory and high Luck in order for Mars to drop Scrolls. Scrolls are useful for defeating the optional boss, Gargoyle.
- Library, First Floor & Ground Floor (Variation A - Orange Mars)
- Vestry, Ground Floor (Variation B - Silver Mars)
| Barrels | Black Cat | Brute | Chikon | Sucker | Crates | Demonic Bead | Explode Corpse | Eyeball | Face | Ghoul | Giant | Giant Roach|
Hand of Glory | Headless Corpse | Corpse Hound | Inverse | Jester | Sham | Mars | Minotauros
Nobleman's Spirit | Possessed Armor | Possessed Chair | Possessed Shelf | Possessed Table | Pricktail | Puppet | Raven | Shadow | Skeleton
Spectre | Tamacoss | Vine | Watcher | Wight
| Werewolf | Giant Plant | Seeker Trio | Mummy Bride | Doppelgänger Koudelka | Doppelgänger Edward | Doppelgänger James|
Jailer | Mad Fly | Dark Young | Alias | Chimera | Gargoyle | Gug | Valna and Vigna | Charlotte's Wrath | Scapegoat | Apostle | Patrick's Vine
Elaine | Elaine (Final Form)