Summon Undead

Ghostly Undead Spirit

Medium Undead, Unaligned

Armor Class 11 + spell level (natural armor)
Hit Points 50 + 10 per upcast
Speed fly 40 ft. (hover)

Damage Vulnerabilities radiant
Damage Resistances cold, fire; bludgeoning, piercing, and slashing damage from nonmagical attacks
Damage Immunities necrotic, poison
Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Poisoned
Senses darkvision 60 ft., passive Perception 11
Languages understands the languages you speak

Traits

Incorporeal Passage. The spirit can move through other creatures and objects as if they were difficult terrain. If it ends its turn inside an object, it is shunted to the nearest unoccupied space and takes 1d10 force damage for every 5 feet traveled.

Actions

Multiattack. The spirit makes a number of attacks equal to one third of this spell's level (rounded up).

Deathly Touch. Melee Weapon Attack: +Spell Attack modifier to hit, reach 5 ft., one target. Hit: 1d8 + 3 + Spell Level necrotic damage. If the target is Haunted, the spirit has Advantage on the attack.

Bonus Actions

Haunt Creature. The spirit targets a creature it can see within 10 feet of itself and begins haunting it. While the target is Haunted, you and the spirit sense the direction and distance to the target if it is on the same plane of existence as you. Additionally, if the targets starts its turn within 10 feet of the spirit, the target must succeed on a DC Caster Spell Save DC Wisdom saving throw or become Frightened until the target of the target's next turn. The target remains Haunted until it dies, the spirit disappears, or the spirit uses this Bonus Action again.

Putrid Undead Spirit

Medium Undead, Unaligned

Armor Class 11 + spell level (natural armor)
Hit Points 60 + 10 per upcast
Speed 35 ft.

Damage Immunities necrotic, poison
Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Poisoned
Senses darkvision 60 ft., passive Perception 10
Languages understands the languages you speak

Traits

Festering Aura. Any creature, other than you, that starts its turn within 5 feet of the spirit must succeed on a DC Caster Spell Save DC Constitution saving throw or be Poisoned until the start of its next turn.

Actions

Multiattack. The spirit makes a number of attacks equal to one third of this spell's level (rounded up).

Rotting Claw. Melee Weapon Attack: +Spell Attack modifier to hit, reach 5 ft., one target. Hit: 1d6 + 3 + Spell Level slashing damage plus 1d4 poison damage. If the target is Poisoned, it must succeed on a DC Caster Spell Save DC Constitution saving throw or be Paralyzed until the end of its next turn.

Skeletal Undead Spirit

Medium Undead, Unaligned

Armor Class 11 + spell level (natural armor)
Hit Points 50 + 10 per upcast
Speed 30 ft.

Damage Vulnerabilities bludgeoning
Damage Resistances piercing, slashing
Damage Immunities necrotic, poison
Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Poisoned
Senses darkvision 60 ft., passive Perception 10
Languages understands the languages you speak

Actions

Multiattack. The spirit makes a number of attacks equal to one third of this spell's level (rounding up).

Grave Bolt. Ranged Spell Attack: +Spell Attack modifier to hit, range 150 ft., one target. Hit: 2d4 + 3 + Spell Level necrotic damage. On a hit, the target can't regain hit points until the start of your next turn.

Vampiric Undead Spirit

Medium Undead, Unaligned

Armor Class 11 + spell level (natural armor)
Hit Points 50 + 10 per upcast
Speed 40 ft., climb 40 ft.

Skills Perception +PB, Stealth +3 + PB
Damage Vulnerabilities radiant
Damage Resistances bludgeoning, piercing, and slashing damage from nonmagical attacks
Damage Immunities necrotic, poison
Condition Immunities Charmed, Exhaustion, Frightened, Paralyzed, Poisoned
Senses darkvision 60 ft., passive Perception 10 + PB
Languages understands the languages you speak

Traits

Spider Climb. The spirit can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.

Actions

Multiattack. The spirit makes a number of attacks equal to one third of this spell's level (rounded up).

Vampiric Bite. Melee Weapon Attack: +Spell Attack modifier to hit, reach 5 ft., one target. Hit: 1d4 + 3 + Spell Level piercing damage plus 1d5 necrotic damage. The spirit regains hit points equal to the necrotic damage dealt.