Ooze Strider
Huge • Ooze • Unaligned
Armor Class 8
Hit Points 157 (15d12 + 60)
Speed 30 ft.
Initiative -2 (8)
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 22 (+6) | 7 (−2) | 19 (+4) | 2 (−4) | 6 (−2) | 5 (−3) |
Damage Resistances cold, fire, poison
Damage Immunities acid
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, grappled, restrained
Senses blindsight 60 ft., passive Perception 8
Languages –
CR 7 (XP 2,900; PB +3)
Amorphous. The strider can move through a space as narrow as 5 feet wide without squeezing.
Oozeplosion. When the strider is reduced to 0 hit points, its body falls apart and creates 4d4 grey oozes (HP 10, no Corrosive Form trait, and the Pseudopod attack just deals acid damage without additional effect) in random spaces in a 15-foot emanation originating from it.
Slimy Ground. The ground in a 15-foot emanation originating from the strider is difficult terrain. Dexterity Saving Throw: DC 15, any creature that enters the area or ends its turn inside the area. Failure: The target is knocked prone.
Sticky Stand. The strider has advantage on saving throws against being knocked prone.
Unusual Nature. The strider doesn't require air or sleep.
ACTIONS
Stomp. Melee Weapon Attack: +9, reach 5 ft. Hit: 33 (6d10) bludgeoning damage, or 44 (8d10) bludgeoning damage if the target is prone.
BONUS ACTIONS
Eat Ooze. The strider kills an Ooze of CR 4 or lower within 5 feet of it. It then regains hit points equal to the killed Ooze’s remaining hit points. It gains any excess hit points as temporary hit points.
Grasping Sludge (Recharge 5–6). Dexterity Saving Throw: DC 15, each prone creature inside the Slimy Ground’s area. Failure: The target becomes restrained (escape DC 15). The condition ends early if a creature is no longer inside the area. For example, when the strider moves away.
Ooze Strider
Huge • Ooze • Unaligned
Armor Class 8
Hit Points 85 (9d12 + 27)
Speed 30 ft.
Initiative -2 (8)
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 20 (+5) | 7 (−2) | 17 (+3) | 2 (−4) | 6 (−2) | 5 (−3) |
Damage Resistances cold, fire, poison
Damage Immunities acid
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, grappled, restrained
Senses blindsight 60 ft., passive Perception 8
Languages –
CR 4 (XP 1,100; PB +2)
Amorphous. The strider can move through a space as narrow as 5 feet wide without squeezing.
Oozeplosion. When the strider is reduced to 0 hit points, its body falls apart and creates 2d4 grey oozes (HP 10, no Corrosive Form trait, and the Pseudopod attack just deals acid damage without additional effect) in random spaces in a 10-foot emanation originating from it.
Slimy Ground. The ground in a 10-foot emanation originating from the strider is difficult terrain. Dexterity Saving Throw: DC 13, any creature that enters the area or ends its turn inside the area. Failure: The target is knocked prone.
Sticky Stand. The strider has advantage on saving throws against being knocked prone.
Unusual Nature. The strider doesn't require air or sleep.
ACTIONS
Stomp. Melee Weapon Attack: +7, reach 5 ft. Hit: 27 (6d8) bludgeoning damage, or 36 (8d8) bludgeoning damage if the target is prone.
BONUS ACTIONS
Eat Ooze. The strider kills an Ooze of CR 2 or lower within 5 feet of it. It then regains hit points equal to the killed Ooze’s remaining hit points. It gains any excess hit points as temporary hit points.
Grasping Sludge (Recharge 5–6). Dexterity Saving Throw: DC 13, each prone creature inside the Slimy Ground’s area. Failure: The target becomes restrained (escape DC 13). The condition ends early if a creature is no longer inside the area. For example, when the strider moves away.
Ooze Strider
Huge • Ooze • Unaligned
Armor Class 8
Hit Points 201 (13d20 + 65)
Speed 30 ft.
Initiative -2 (8)
| STR | DEX | CON | INT | WIS | CHA |
|---|---|---|---|---|---|
| 24 (+7) | 7 (−2) | 21 (+5) | 2 (−4) | 6 (−2) | 5 (−3) |
Damage Resistances cold, fire, poison
Damage Immunities acid
Condition Immunities blinded, charmed, deafened, exhaustion, frightened, grappled, restrained
Senses blindsight 60 ft., passive Perception 8
Languages –
CR 10 (XP 5,900; PB +4)
Amorphous. The strider can move through a space as narrow as 5 feet wide without squeezing.
Oozeplosion. When the strider is reduced to 0 hit points, its body falls apart and creates 6d4 grey oozes (HP 10, no Corrosive Form trait, and the Pseudopod attack just deals acid damage without additional effect) in random spaces in a 20-foot emanation originating from it.
Slimy Ground. The ground in a 20-foot emanation originating from the strider is difficult terrain. Dexterity Saving Throw: DC 17, any creature that enters the area or ends its turn inside the area. Failure: The target is knocked prone.
Sticky Stand. The strider has advantage on saving throws against being knocked prone.
Unusual Nature. The strider doesn't require air or sleep.
ACTIONS
Multiattack. The strider makes two Stomp attacks.
Stomp. Melee Weapon Attack: +11, reach 5 ft. Hit: 27 (5d10) bludgeoning damage, or 38 (7d10) bludgeoning damage if the target is prone.
BONUS ACTIONS
Eat Ooze. The strider kills an Ooze of CR 5 or lower within 5 feet of it. It then regains hit points equal to the killed Ooze’s remaining hit points. It gains any excess hit points as temporary hit points.
Grasping Sludge (Recharge 5–6). Dexterity Saving Throw: DC 17, each prone creature inside the Slimy Ground’s area. Failure: The target becomes restrained (escape DC 17). The condition ends early if a creature is no longer inside the area. For example, when the strider moves away.
QUICK REFERENCE
USING MONSTER VARIANTS
Monster variants allow the GM to adjust encounters to better match the party’s strength, narrative needs, or world-building logic. A weaker variant may represent a juvenile, wounded, or lesser specimen, while a stronger variant can serve as a leader, champion, ancient creature, or apex predator.
Variants can be used to fine-tune difficulty without changing the core identity of the monster, making them ideal for scaling encounters, reinforcing hierarchy within a faction, or creating memorable boss-style enemies. You can even use the same stat block but different variants in the same encounter if you want.
Design Note. Each monster is primarily balanced around its normal version. Weaker and stronger variants are derived adjustments and may not always preserve every tactical nuance or “feel” of the original creature. GMs are encouraged to review variants carefully and adjust abilities or tactics as needed to best suit their table.