Etherus Hound

Medium Fey (Fey Beast), Neutral
AC: 23 (NA), HP: 95
Speed: 50', Fly: 80' (Hover), Climb: 30'

Str: 16 (+3), Dex: 20 (+5), Con: 20 (+5), Int: 14 (+2), Wis: 12 (+1), Char: 24 (+7)
ST: Con: +9, Char: +11
Skills: Acrobatics: +9, Arcana: +6, Performance: +11, Persuasion: +11, Survival: +5
Dmg Resistance: Psychic
Dmg Immune: Cold
Conditions Immunities: Exhaustion, Prone
Senses: Darkvision: 120', Tremore Sense: 30', Truesight: 30', PP: 11
Languages: Understands Common, Sylvan, Primordial, Telepathy: 120'
Challenge: 12 (8,400 XP)
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Fey Ancestry: The Hound has advantage against charmed effects & magical sleep doesn't affect it.
Keen Senses: The Hasida has advantage on Perception checks based on hearing & sight.
Howl: The Hound gains a +5 bonus to the first round of attacks after responding to another's howl. When the Hound Howls, it boosts the surrounding allies with advantage on all their saves for the next 8 hrs.
Pack Tactics: The Hound grants advantage to allies when it is in melee with a target.
Invisible Flight: The Hound's fairy wings are invisible to mortal sight, unless they have truesight.
Flyby: The Hound doesn't provoke opportunity attacks when it flies out of a hostile creature's attack range.
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ACTIONS
Bite: Melee Weapon Attack; reach 5' single target, +7 to hit. On a hit target takes 3d10 piercing dmg.
Stare Down: All targets who can see the Hound have to make a Wis ST DC =19, or be frightened of the Hound. While frightened they will spend their full movement, moving away from the Hound as fast as possible.
Run Down: Spending 5' movement, in order to charge a target, the Hound can knock a target prone. Target must make a Str ST DC =15 or be knocked prone. When they are knocked prone, the Hound can make a Bite Att at advantage as a bonus action.