Otherworldly Steed (Fiend)

Source: Player's Handbook (2024) p. 273. Available in the SRD

"name": "Otherworldly Steed (Fiend) (XPHB)"
"size": "Large"
"type": "fiend"
"alignment": "Neutral"
"ac_class": "10 + 1 per spell level"
"modifier": !!int "1"
"stats":
  - !!int "18"
  - !!int "12"
  - !!int "14"
  - !!int "6"
  - !!int "12"
  - !!int "8"
"speed": "60 ft., fly 60 ft. (requires level 4+ spell)"
"senses": "passive Perception 11"
"languages": "telepathy 1 mile (works only with you)"
"traits":
  - "desc": "When you regain [Hit Points](/Rules/Source/variant-rules/hit-points-xphb.md)\
      \ from a level 1+ spell, the steed regains the same number of [Hit Points](/Rules/Source/variant-rules/hit-points-xphb.md)\
      \ if you're within 5 feet of it."
    "name": "Life Bond"
"actions":
  - "desc": "*Melee Attack Roll:* Bonus equals your spell attack modifier, reach 5\
      \ ft. *Hit:* 1d8 + the spell's level Necrotic damage."
    "name": "Otherworldly Slam"
"bonus_actions":
  - "desc": "*Wisdom Saving Throw:* DC equals your spell save DC, one creature within\
      \ 60 feet the steed can see. *Failure:* The target has the [Frightened](/Rules/Source/conditions.md#Frightened)\
      \ condition until the end of your next turn."
    "name": "Fell Glare (Recharges after a Long Rest)"
"source":
  - "XPHB"

^statblock