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I have created an homebrew creature. I would like to know if it could be a resonable fight for a level 8 team (an elf druid, a human barbarian, a human warrior, a ranger goblin). Have I used too many condition immunities? Thank you.

Is the damage per round too high for a CR 12?



Name: Poisonous Spherimorph

Large Ooze, unaligned


AC 15

HP 210 (20d10+100)

Speed 30ft., climb 30ft.

STR 18 (+4)

DEX 10 (+0)

CON 20 (+5)

INT 1 (-5)

WIS 10 (+0)

CHA 1 (-5)

Saving Throws: Wisdom +4

Skills: Stealth +4, Perception +4

Damage Resistances: bludgeoning, piercing, and slashing from non magical weapons

Damage Immunities: psychic, poison

Condition Immunities: prone, exhausted, unconscious, poisoned, grappled, deafened, blinded, charmed, frightened, restrained

Senses: blindsight 18m., passive Perception 14

Languages: --

Challenge 12 (8,400 XP)


Features


Amorphous. The creature can move through a space as narrow as 1 inch wide without squeezing.

False appearance. As long as the creature remains motionless, it is indistinguishable from a puddle of water.

Spider climb. The creature has the ability to move up, down, and across vertical surfaces and upside down along ceilings, without needing to make an ability check.


Actions


Multiattack. The Poisonous Spherimorph makes two attacks: one with Pillar and one with Press.

Pillar. Melee Weapon Attack: +8 to hit, reach 5ft., one target. Hit 16 (3d8 + 4) bludgeoning damage plus 15 (3d10) poison damage. The target when hit must succeed on a DC 17 Constitution saving throw or become poisoned. If the target is already poisoned, no saving throw is made.

Press. Melee Weapon Attack: +8 to hit, reach 20ft., multiple targets. Hit 8 (1d8 + 4) bludgeoning damage plus 5 (1d10) poison damage. The target when hit must succeed on a DC 17 Constitution saving throw or become poisoned. If the target is already poisoned, no saving throw is made.

enter image description here

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    \$\begingroup\$ Having the image is fine, but please transcribe the plain text for us. Not everyone can see image posts, so having the text of your homebrew is essential for making your post accessible to all. \$\endgroup\$ Jun 2, 2023 at 0:42
  • \$\begingroup\$ I can understand if you like meters better than feet, but I fear most of us will be more confused than anything else with the values since all the rulebooks etc. use feet. \$\endgroup\$
    – Tobias F.
    Jun 2, 2023 at 9:05
  • \$\begingroup\$ I have Edited my question. \$\endgroup\$
    – Leonardo
    Jun 2, 2023 at 9:07
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    \$\begingroup\$ @TieflingDragon84 Please answer in answers, comments are for clarification. \$\endgroup\$
    – Akixkisu
    Jun 2, 2023 at 13:35
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    \$\begingroup\$ Reminder to everyone that feedback about the asker's creature is an answer, and as such belongs in an answer post rather than in a comment. \$\endgroup\$
    – Oblivious Sage
    Jun 2, 2023 at 14:03

1 Answer 1

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The stats seem right-ish.

Damage from pillar is 17.5 + 16.5 = 34. Damage from press is (8.5 + 5.5) * 2 = 28. Total damage is 62.

Your monster has AC 15, HP 210, attack bonus +8, and damage 62.

The DMG guidelines say that a CR 12 monster should have AC 17, HP 240, attack bonus +8, damage 77.

But monster manual on a business card, which reflects stats closer to what monsters actually use, says that a CR 12 monster should have AC 15, HP 180, attack bonus +8, damage 60.

This is pretty close.

Whether the resistances are appropriate will depend on your party.

Is your eighth-level group running around with nonmagical weapons? That would be a bit unusual for a group at that level. If so, you should use a monster with fewer hit points, since all your characters' attacks will deal half damage.

If your group has magic weapons (or relies on spell attacks, in the case of the druid), then the resistance to nonmagical weapons doesn't matter.

The other resistances and immunities are fine, and are appropriate for an ooze-type monster.

CR12 seems appropriate

I went to Kobold Fight Club and told it you had four level-eight characters and they were fighting a CR12 monster. It told me the encounter was just on the edge of "Deadly", which is probably what you were shooting for.

Think more about the poison

Both of your monster's attacks say "the target must succeed on a hard save or become poisoned".

How long does the target remained poisoned? One round? One minute? Until they short rest? Forever?

Being poisoned is pretty bad because it gives disadvantage to all attacks. With your monster's AC 15, this will make it quite difficult to hit. My advice is to make the poison have a short duration, like "until the end of their next turn", so that this isn't crippling for your group's melee attackers.

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    \$\begingroup\$ Alternatively if the party knows about the long-term poison (say an hour or something) ahead of time, it would be a good opportunity for the druid to prepare lesser restoration. \$\endgroup\$ Jun 2, 2023 at 13:39
  • \$\begingroup\$ I don't think it is viable for the druid to cast lesser restoration during combat. This requires an action; it requires entering the ooze's threatened area and being hit unnecessarily by press; and it is likely to be wasted since the condition will be reapplied fairly quickly by the ooze's next attack. \$\endgroup\$
    – Dan B
    Jun 2, 2023 at 14:28

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