Oni Monster DnD 5E


Innate Spellcasting: This oni monster can innate the spellcasting ability is charisma (spell save DC 13). Also this oni innately able to cast the following spells, it is requiring no material components:

At will: Darkness, Invisibility
1/day each: Charm Person, Cone of Cold, Gaseous Form, sleep

Magic Weapons: The oni’s weapon attacks are purely magical.

Regeneration: The oni able to regains its 10 Hit Points at the start of its turn if it has at least 1 hit point.


Multiattack: This oni monster can make two attacks such as; either with its claws or its Glaive.

Claw (Oni Form Only): By using this claw attack it can make a melee weapon attack: +7 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage.

Glaive: This monster can use glaive attack by using this it can make a Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 15 (2d10 + 4) slashing damage, or 9 (1d10 + 4) slashing damage in Small or Medium form.

Change Shape: This oni monster able to magically polymorphs into the small or medium humanoid, also even into a large giant or else it back into its original form. Rather than its size, its statistics are similar in each and every form. But the only equipment which has transformed is its a glaive, which can shrinks to so that it could be wielded in the humanoid form. Whenever if this monster dies, then it reverts to its original form, and also it would glaive reverts to its normal size.

Attributes Of Oni Monster DnD 5E

AC16 (Chain Mail)
AlignmentLawful Evil
Challenge Rating7
HP110 (13d10+39)
LanguagesCommon, Giant
Passive Perception14
Roll 0Claw 1d20 + 7 1d8+4
Roll 1Large Form 1d20 + 7 2d10+4
Roll 2Small or Medium Form 1d20 + 7 1d10+4
Saving ThrowsDex +3, Con +6, Wis +4, Cha +5
SensesDarkvision 60 Ft.
SkillsArcana +5, Deception +8, Perception +4
Speed30 ft., fly 30 ft.
Spell BookDarkness, Invisibility, Charm Person, Cone Of Cold, Gaseous Form, Sleep

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