| Arc Demon | Restores MP as damage is inflicted upon him. | Inner Quarters (Top room past Chronomage in Quarters, enter from bottom) |
| Bael | INT is increased by 12. | The Arena, Top Floor (Square room up and left from Top Floor warp point, enter from bottom) |
| Basilisk | Defensive strength increases and offensive strength decreases. | Top Floor, Chaotic Realm (Bottom of large open room in Top Floor, enter from right) |
| Dead Crusader | CON is increased by 16. | Underground Reservoir, The Arena, Chaotic Realm (Vertical room directly above room outside Arena warp point) |
| Dead Warrior | Deflect normal attacks by pressing Up + R. | Floating Garden (Bottom right of 4 big rooms in Garden, enter from bottom left) |
| Ectoplasm | Immunity to curses. | Study (Room above Study save point) |
| Erinys | Increases experience points by 120%. | The Arena, Top Floor, Chaotic Realm (Second Arena challenge near save point, second door) |
| Flesh Golem | Enjoys eating the oddest things. | Underground Reservoir (Room directly above waterfall in Reservoir, small room to right) |
| Gargoyle | Immunity to petrification. | Chapel, Underground Reservoir, The Arena, Top Floor, Forbidden Area (Second room in Arena, enter from bottom right) |
| Ghost Dancer | LCK is increased by 4. | Chapel, Dance Hall (Large square shaped room in Dance Hall, enter from bottom) |
| Giant Worm | When motionless, HP are gradually restored. | Underground Reservoir (Starting from Reservoir warp point, head towards left save point 4 rooms) |
| Golem | STR is increased by 12. | Floating Garden, Clock Tower (Second vertical room above first Tower save point, enter from bottom) |
| Gorgon | CON is increased by 12. | Floating Garden, Underground Reservoir (Two rooms directly below Reservoir warp point, enter from right) |
| Gremlin | LCK is increased by 8. | Clock Tower (Starting from 2nd Tower save, travel 5 rooms towards 1st save, 5th room) |
| Headhunter | Collect souls to increase strength. | Inner Quarters (Defeat Headhunter boss) |
| Iron Golem | Withstand a lot of damage without flinching. | Top Floor, Chaotic Realm (Room below large open area of Top Floor (beside Hyppogryph soul). Use the Killer Mantle to kill Iron Golem in one hit) |
| Lilith | INT is increased by 8. | Inner Quarters (Long hallway below Inner Quarters warp point, enter from right) |
| Lubicant | Gains strength as it loses HP. | The Arena, Top Floor, Chaotic Realm (First Arena challenge near save point, top door) |
| Mimic | Increases money as damage is incurred. | Forbidden Area, Dance Hall, Chaotic Realm (Room with Joyeuse sword at end of path past ship in Forbidden Area) |
| Minotaur | STR is increased by 8. | Study, Dance Hall (Hallway right below upper Hall save point, enter from left) |
| Peeping Eye | Identifies breakable walls. | Castle Corridor (Room left of 2nd Corridor save, enter and exit from bottom of room) |
| Poison Worm | Immunity to poison. | Underground Reservoir, Forbidden Area (Two rooms directly below Reservoir warp point in middle of room) |
| Quezlcoatl | CON is increased by 8. | Chapel, Dance Hall (Small room directly above Hall warp point) |
| Red Crow | INT is increased by 4. | Floating Garden (Top right of 4 main rooms in Garden, enter from top left side) |
| Skeleton Knight | STR is increased by 4. | Castle Corridor, Chapel, Dance Hall (Small vertical room near 3rd Corridor save point (at the bottom) |
| Skula | Allows you to walk while underwater. | Clock Tower (Room after Death battle) |
| Stolas | INT is increased by 16. | Top Floor, Chaotic Realm (From Top Floor warp point, head up and left 3 rooms) |
| Succubus | Absorbs enemies HP when an ordinary attack is delivered. | The Arena, Top Floor, Chaotic Realm (Small room two rooms up from Arena save point) |
| Triton | STR is increased by 16. | Underground Reservoir, Chaotic Realm (Two rooms directly below Reservoir warp point, enter either side) |
| Tsuchinoko | Allows you to buy goods at cheaper prices. | Dance Hall (Room left of Big Golem boss battle, keep entering and exiting until he is above ground to kill him) |
| Undine | Walk on water surfaces. | Inner Quarters (Area above and right of Headhunter boss) |
| White Dragon | CON is increased by 4. | Castle Corridor, Chapel, Dance Hall (Few rooms above and right of 2nd Corridor save point, single room) |
| Wooden Golem | MP recovery rate is increased. | Dance Hall (Horizontal room below first hallway in Dance Hall, enter from left) |
| Zombie | Becomes stronger when poisoned. | Castle Corridor (Any of the first few hallways in the Corridor) |
| Zombie Officer | Jumping while taking damage restores health | Castle Corridor, Chapel, Dance Hall (Room right of Corridor warp point, enter and exit from warp room) |
