Clockwork Servitor

Clockwork Casting The clockwork servitor can cast
spells without needing a verbal or material component.

Clockwork Heart When the clockwork servitor is
reduced to 0 hitpoints, it can make a DC 10
Constitution saving throw regaining 1 hitpoint on a
success. For each success, the DC increases by 5. The
DC resets after a short or long rest.

Construct Nature The clockwork servitor does not need
to eat, breathe, or sleep

Dual Servos The clockwork servitor can concentrate on
two spells at a time. If the clockwork servitor fails its
saving throw to maintain concentration, both spell
effects end

False Appearance While motionless, the clockwork
servitor is indistinguishable from a statue

Gear Jam When the clockwork servitor is hit with a
critical hit, it must succeed a Constitution saving throw
equal to half the damage dealt(minimum 10). On a
failed saving throw, the clockwork servitor is unable to
cast or concentrate on spells until the end of its next
turn.

Immutable Form The clockwork servitor is immune to
any effects or magic that would alter its form

Internal Clock The clockwork servitor has advantage on
initiative checks.

Reactive The clockwork servitor can take a reaction at
the end of every creature's turn

Time Extension The clockwork servitor can double the
duration of its spells effects, up to a maximum of 24
hours.

Spellcasting The clockwork servitor is an 18th-level spellcaster. Its
spellcasting ability is Charisma (spell save DC 17, +9 to
hit with spell attacks).
The clockwork servitor has the following spells
prepared
Cantrips firebolt, shocking grasp, light
1st Level Spells (4 slots) burning hands, magic missile,
shield, Tenser's Floating Disk, witch bolt
2nd Level Spells (3 slots) blur, spiritual weapon, cloud
of daggers
3rd level Spells (3 slot) counterspell, dispel magic,
lighting bolt, fly
4th Level Spells(3 slot) summon construct, Otiluke's
Resilient Sphere
5th Level Spells(2 slot) animate objects, wall of force
6th Level Spells(2 slot) blade barrier, chain lightning,
disintegrate
7th Level Spells(2 slot) Mordenkainen's Sword
8th Level Spells(1 slot) anti-magic field
9th Level Spells(1 slot) time stop

Accelerated Casting (Recharge 5-6) The clockwork servitor can use its bonus action to cast a spell with a casting time of an action.