If the dragon fails a saving throw, it can choose to succeed instead.
Actions
Multiattack
The dragon makes three Rend attacks. It can replace one attack with a use of Spellcasting to cast (level 3 version).
Rend
Melee Attack+11, reach 10 ft. 13 () 🗡️ Slashing damage plus 4 () 🧪 Acid damage.
Acid Breath Recharge 5
DEX SaveDC 18, each creature in a 60-foot-long, 5-foot-wide Line [Area Of Effect]. Failure: 54 () 🧪 Acid damage. Success: Half damage.
Legendary Actions
Cloud of Insects
DEX SaveDC 17, one creature the dragon can see within 120 feet. Failure: 22 () ☠️ Poison damage, and the target has Disadvantage on saving throws to maintain Concentration until the end of its next turn. Success or Failure: The dragon can't take this action again until the start of its next turn.
Frightful Presence
The dragon uses Spellcasting to cast . The dragon can't take this action again until the start of its next turn.
Pounce
The dragon can move up to half its Speed, and it makes one Rend attack.