Divine Awareness. The agathinon knows if it hears a lie.

Innate Spellcasting. The agathinon's innate spellcasting ability is Wisdom (spell save DC 15). It can innately cast the following spells, requiring no material components:

At will: detect evil and good, cure wounds (3rd level)

3/day each: lesser restoration, shield of faith

1/day each: plane shift (self only), heal

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

Multiattack. The agathinon makes two melee attacks.

Longsword. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage, or 9 (1d10 + 4) slashing damage if used with two hands.

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

Healing Touch (3/Day). The agathinon touches another creature. The target magically regains 13 (2d8 + 4) hit points.

Astral Form. Agathinon can assume various forms, gaining the abilities and statistics of the chosen form, while retaining their original hit points, AC, and mental abilities. They can assume a humanoid, animal, or even an object's form. Their ability to transform also includes magical abilities granted by the form, such as breath weapons or spellcasting. Agathinon use this ability primarily for combat and infiltration purposes.

Etherealness. The agathinon can enter the Ethereal Plane from the Material Plane, or vice versa, as a bonus action, and returns to the Material Plane from the Border Ethereal as a bonus action on its turn.