Legendary Resistance (3/Day). If Amilan fails a saving throw, they can choose to succeed instead.
Unfathomable Beauty (1/Day). Amilan assume a form of unnatural, terrifying beauty for 1 minute. For the duration, whenever any creature tries to attack Amilan for the first time on a turn, the attacker must make a DC 20 Charisma saving throw. On a failed save, it cannot attack Amilan on this turn, and must choose a new target for its attack or the attack is wasted. On a successful save, it may attack Amilan this turn, but it has disadvantage on any saving throw it makes against Amilan’s spells until their next turn.
Spellcasting. Amilan is an 18th-level spellcaster. Their spellcasting ability is Charisma (spell save DC 20, +12 to hit with spell attacks). Amilan has the following bard spells prepared:
Cantrips (at will): friends, mage hand, minor illusion, vicious mockery
1st level (4 slots): bane, charm person, disguise self, dissonant whispers, entangle
2nd level (3 slots): crown of madness, enthrall, hold person, invisibility, pass without trace
3rd level (3 slots): counterspell, dispel magic, hypnotic pattern, major image, plant growth
4th level (3 slots): confusion, dimension door, conjure woodland beings
5th level (3 slots): mislead, modify memory
6th level (1 slot): eyebite, mass suggestion, conjure fey
7th level (1 slot): forcecage, project image
8th level (1 slot): dominate monster
9th level (1 slot): true polymorph
Thorn Bow. Range Weapon Attack: +11 to hit, range 120 ft., one creature. Hit: 16 (2d8 + 7) piercing damage plus 7 (2d6) radiant damage.
Amilan 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. They regain all spent legendary actions at the start of their turn.
Cantrip. Amilan casts a cantrip.
Thorn Bow. Amilan make one attack with the Thorn Bow.
Hypnotizing Gaze (Costs 2 Actions). Amilan fixes their gaze on one creature they can see within 10 feet of themselves. The target must succeed on a DC 18 Wisdom saving throw against this magic or become charmed for 1 minute.
The charmed target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a target's saving throw is successful or the effect ends for it, the target is immune to Amilan's gaze for the next 24 hours.
Cast a Spell (Costs 3 Actions). Amilan casts a spell from their list of prepared spells, using a spell slot as normal.