Brünnhilde

Brute. A melee weapon deals one extra die of its damage when Brünnhilde hits with it (included in the attack).

Choose the Slain (1/day). Brünnhilde can innately cast imprisonment without the need for material components. She is only able to target a recently killed creature, it must be a willing target, and Brünnhilde must choose the Minimus Containment effect. The target is stored inside of Brünnhilde’s sword, regaining 1 hit point after 24 hours.

Innate Spellcasting. Brünnhilde’s innate spellcasting ability is Charisma (spell save DC 16, +8 to hit with spell attacks). She can innately cast the following spells, requiring no material components:
Constant: tongues
At will: aid, death ward, gentle repose, plane shift (self and mount only)
3/day: call lightning, geas
1/day: conjure celestial, heal, revivify

Magic Resistance. Brünnhilde has advantage on saving throws against spells and other magical effects.

Powerful Attacks. When Brünnhilde makes her first melee weapon attack in a turn, she can choose to take a –5 penalty to her melee weapon attack rolls in exchange for a +10 bonus to melee weapon damage. In addition, Brünnhilde can use a bonus action or reaction to make one melee weapon attack after she uses a melee weapon to reduce a creature to 0 hit points or scores a critical hit with it.

Multiattack. Brünnhilde attacks six times: four times with her spear and twice with her shield bash.

Spear. Melee or Ranged Weapon Attack: +8 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 11 (2d6+4) magical piercing damage. Immediately after hitting or missing the target, Brünnhilde’s spear returns to her hand.

Shield Bash. Melee Weapon Attack: +8 to hit, reach 5 ft., one creature. Hit: 9 (2d4+4) magical bludgeoning damage. If the target is a Medium or smaller creature, it must succeed on a DC 16 Strength saving throw or be knocked prone.

Vital Strike. Brünnhilde makes a single weapon attack, automatically hitting her target and scoring a critical hit. She makes an attack roll with advantage and if she would have successfully hit, the critical hit does twice the maximum damage

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