Vapor Lynx

Innate Spellcasting. the lynx's innate spellcasting ability is Charisma. It can cast the following spell, requiring no material components: 3/day: gaseous form

Smoky Constitution. The vapor lynx spends its time in both gaseous and solid form. Its unique constitution makes it immune to all fog- or gas-related spells and attacks, including its own. A vapor lynx sees clearly through light or heavy obscurement caused by fog, mist, or spells such as fog cloud.

Multiattack. The vapor lynx makes one bite attack and two claw attacks.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 17 (3d8 + 4) piercing damage.

Claw. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 13 (2d8 + 4) slashing damage.

Poison Breath (Recharge 5-6). The vapor lynx exhales a 40- foot radius poison fog, which heavily obscures a spherical area around the lynx. Any breathing creature that ends its turn in the fog must make a DC 14 Constitution saving throw or become poisoned for 1d4 + 1 rounds.