A monk subclass based on a pact with a god, divine spells, and access to one domain.

Deity Domain

Starting at 3rd level, you gain access to divine spells. Also, you may pick a domain. You may use that domains channel divinity abilities. At 6th level, you gain that domains 2nd channel divinity. You may activate the channel divinity by using 2 ki points. 

Divine Guidance

Beginning at 3rd level, you add your wisdom modifier to  your maximum number of ki points available.

Sacred Flame

Starting at 6th level, you may use a ki point to have all your unarmed strikes deal an additional 1d6 radiant damage this round. This damage increases to 1d8 at level 11. 

Divine Fortitude

Beginning at 11th level, you can shake off even the most dreadful of bodily harm. When you are subjected to an effect that allows you to make a Constitution saving throw to take only half damage, you instead take no damage if you succeed on the saving throw, and only half damage if you fail.

Sacred Avatar

Starting at 17th, once per long rest, you may spend 5 ki points and enter an avatar state. During this state, you Emit a sacred aura, dealing your wisdom modifier as damage to enemies within 10ft at the start of your turn and healing you and your allies within 10ft equal to you wisdom modifier. You gain a fly speed equal to your movement, and resistance to all damage types. While in this state, you may also spend 3 ki points to cast a spell as part of your attack action.