Bard, Troubadour (master tier)

Bardic Expertise. The bard doubles its proficiency bonuses for its listed skill proficiencies (included in the skill bonus).

Song of Rest. The bard can perform a song while taking a short rest. Any ally who hears the song regains an extra 1d10 hit points if it spends any Hit Dice to regain hit points at the end of that rest. The bard can confer this benefit on itself as well.

Spellcasting. The bard is an 14th-level spellcaster. Its spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). It has the following spells prepared:

Cantrips (at will): friends, message, minor illusion, vicious mockery

1st level (4 slots): charm person, dissonant whispers, feather fall, heroism, tasha's hideous laughter

2nd level (3 slots): blindness deafness, enhance ability, magic weapon, 

3rd level (3 slots): counterspell, hypnotic pattern, major image

4th level (3 slots): charm monster, confusion, dimension door

5th level (2 slots): bigby's hand, dominate person

6th level (1 slots): mass suggestion

7th level (1 slots): mordenkainen’s sword

Multiattack. The bard make two attacks with its rapier.

Rapier. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d8 + 3) piercing damage.

Hand Crossbow. Ranged Weapon Attack: +6 to hit, range 30/120 ft., one target. Hit: 6 (1d6 + 3) piercing damage.

Bardic Inspiration (5/short or long rest). The bard targets one creature within 60 feet of it. If the target can hear the bard, the target can roll 1d10 and add the result to one ability check, attack roll, or saving throw it makes within the next ten minutes.