Canibal, the great wanderer

Resistance of the Dreadknight . If Canibal fails a saving throw or ability check, it can choose to succeed instead this may be used 6 times per long rest. In addition, As long as canibal is within 30 feet of a creature he deems an ally, that creature gains +1 bonus to it AC and any death saving throws are made at advantage.

A Dreaded Name.... If a creature moves within 15ft of canibal, that creature must make a wisdom save of 16 or be frighten till the end of that creatures next turn. in addition, if a creature moves within 5ft of canibal then that creature must make a constitution save of 16 or take 26 (4d8) Necrotic damage.

...Of A Voidless Machine. all creatures within 30ft of canibal slowly begin to become chaotic evil under the corruption of the orrery of the wanderer, to avoid this each creature must make a wisdom save of 16 every 10 minutes (or 10 turns) to avoid this effect. 

Time Thief. At the start of Canibal's turn, he may Chose to slow down time or see forward in time. If he slows down time, he gains an additional action on his turn and doubles his speed until the end of the turn. If he sees forward in time, The next time he fail a saving throw, attack roll, or ability check, he may reroll the check and take either result. Once Canibal has use this ability, it cannot be used again until the next dawn.

Master of Travel. After years of travelling and exploration, canibal has become the master of travel even through Arcane means. As an action, canibal may cast one of the following spells (save DC 17): Contact Other Plaine, Demiplane, Gate, Plain Shift, or Teleportation Circle 

Bane Of All Gods and Demons.... Canibal makes all attacks at advantage against all celestial and infernals and ignores any resistances they have.

....And Death To All Humans Who Worship Them. Each time canibal makes an attack against a human, that attack deals critical damage on a natural roll of 18 or higher instead of on a natural 20. In addition, canibal has advantage on any intimation checks against humans.

A Dying Legend. If canibal goes bellow 290 health, then at the start of his turn he takes an additional 18 (3d8) poison damage and cannot use his Canibalism bonus action. This effect may be ignored for 10 minutes (10 turns) if Canibal is under the effects of a restoration spell.

Multiattack. Canibal may make two Missile Salvo attacks and one Mandrakes Melta Breath attack (if available), or he may make four with The Blade Of The Death Sentinel and 1 with his Mass Drive Power Fist.

The Blade Of The Death Sentinel. Melee Weapon Attack: +18 to hit, reach 10 ft., one target. Hit: 17 (2d6 + 8) slashing damage. In addition this weapon also deals 26 (8d4) necrotic damage

Mass Drive Power Fist. Melee Weapon Attack: +12 to hit, reach 5 ft., one target. Hit: 48 (4d12 + 10) force damage and is knocked prone (this can only knock prone one creature per turn), attacks with this weapon are counted as magical for dealing with resilience. 

Missile Salvo. when attacking with this weapon, you may either make one attack with a range of 480" that deals 48 (6d10) fire damage, or you may make 4 attacks with a range of 60" that deal 16 (4d4+4) force damage. When making attacks with either mode, a hit roll isn't required as both automatically hit.

Mandrakes Melta Breath (Recharge 5–6). The canibal exhales fire in a 30ft long, 5ft wide line. Each creature in that area must make a DC 20 Dexterity saving throw, taking 96 (15d8) fire damage on a failed save, or half as much damage on a successful one. you may reroll the damage roll when using this weapon.

Canibalism. Canibal may approach any corpses of creature who have dies this battle, as a bonus action he may consume a corpses and gain (3d8) health back, this cannot be used to heal past the point were either overcharge system or final form were activated.

Stealth Generator. As a bonus action, Canibal may remove his body from the phase of the material world for 1 minute, granting him advantage on Dexterity (Stealth) checks made to hide, and imposing disadvantage on attack rolls against him. Once Canibal has use this ability, it cannot be used again until the next dawn.

Tail. Melee Weapon Attack: +18 to hit, reach 15 ft., one target. Hit: 15 (2d8 + 10) piercing damage.

Overwatch Protocol. If an enemy moves within 5ft of canibal, he can immediately make one attack against them with his mass driver power fist

The Ancient Brass Plate. when canibal is hit by a ranged attack, as a reaction he gains +6 to his AC and the attacker gains one level of exhaustion until the end of their next turn.

Canibal can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature's turn. Canibal regains spent legendary actions at the start of its turn.

Weapon Attack. canibal can makes two attacks with his The Blade Of The Death Sentinel.

Time Displacement (Costs 2 Actions). Canibal may cast any spell from his master of travel ability.

Deaths Toll (Costs 3 Actions). Canibal may force a creature to make a DC 22 Dexterity saving throw or take 700 (20d50) necrotic damage on a failed save or quarter damage on a successful save. This option can only be used if canibal has been damaged since his last turn, and once this option has been used it cannot be used again until after a long rest.

First Of The Plainswalkers. Canibal can name any location within existence that is or was known to at least one creature that has been alive within the past 1000 years. Once a location has been named, Canibal will disappear from reality and then reappear at or within 500ft of the location named. There is no limit to the distance travelled which includes any galactic or dimensional boundaries.

Canibal cannot reach locations that are wholly secret or not known to any creatures. Once Canibal has use this ability, it cannot be used again until the next dawn.

The Mask Of Deaths Sentinel. canibal gains immunity to necrotic damage as well as gains +8 too all necrotic damage rolls. In addition canibal may cast the hex spell at 1nd level, at will and without using any spell slots but it deals necrotic damage instead of psychic