Divine Awareness. Te-Pe-Ke knows if He hears a lie. 
Divine Multitasking.  Te-Pe-Ke can concentrate on a number of spells up to His Intelligence modifier (10) at a time.
Divine Reactivity.  Te-Pe-Ke can take a number of reactions up to His Wisdom modifier (10) per round. 
Divine Weapons. Te-Pe-Ke's weapon attacks are magical. When Te-Pe-Ke hits with any weapon, the weapon deals an extra 8d8 radiant damage (included in the attack). 
Innate Spellcasting. Te-Pe-Ke's spellcasting ability is Charisma (spell save DC 27). He can innately cast the following spells, requiring no material components and with their casting time reduced to 1 action if it isn't already 1 action, 1 bonus action, or 1 reaction:
At will: any spell of 5th level or lower, plane shift (self only)
3/day each: any spell of 6th or 7th level, meteor swarm
1/day each: any spell of 8th or 9th level other than meteor swarm
Legendary Resistance (7/day).  If Te-Pe-Ke fails on a saving throw, He can choose to succeed instead. 
Magic Resistance. Te-Pe-Ke has advantage on saving throws against spells and other magical effects. 
Self-Blessing.  Te-Pe-Ke's AC includes His Charisma modifier. 

Multiattack. Te-Pe-Ke makes three greatsword attacks or two slaying longbow attacks.
Greatsword. Melee Weapon Attack: +19 to hit, reach 10 ft., one target. Hit: 24 (4d6+10) slashing damage plus 36 (8d8) radiant damage.
Slaying Longbow. Ranged Weapon Attack: +19 to hit, range 150/600 ft., one target. Hit: 19 (2d8+10) piercing damage plus 36 (8d8) radiant damage. If the target is a creature that has 150 hit points or fewer, it must succeed on a DC 27 Constitution saving throw or die.
Flying Sword. Te-Pe-Ke releases His greatsword to hover magically in an unoccupied space within 15 feet of Him. If Te-Pe-Ke can see the sword, He can mentally command it as a bonus action to fly up to 75 feet and either make one attack against a target or return to His hands. If the hovering sword is targeted by any effect, Te-Pe-Ke is considered to be holding it. The hovering sword falls if Te-Pe-Ke dies.
Healing Touch. Te-Pe-Ke touches another creature. The target magically regains 80 (16d8+8) hit points and is freed from any curse, disease, poison, blindness, or deafness.  If the creature was dead, it instead returns to life with full hit points and is freed from any curse, disease, poison, blindness, or deafness. 

Te-Pe-Ke can take 7 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. Te-Pe-Ke regains spent legendary actions at the start of His turn.
Teleport. Te-Pe-Ke magically teleports, along with any equipment He is wearing or carrying, up to 200 feet to an unoccupied space He can see.  He can then make one greatsword attack. 
Searing Burst. Te-Pe-Ke emits magical, divine energy. Each creature of His choice in a 20-­foot radius must make a DC 27 Dexterity saving throw, taking 21 (6d6) fire damage plus 21 (6d6) radiant damage on a failed save, or half as much damage on a successful one.
Blinding Gaze. Te-Pe-Ke targets one creature it can see within 30 feet of it. If the target can see Him, the target must succeed on a DC 27 Constitution saving throw or be blinded until magic such as the lesser restoration spell removes the blindness.