Aspect of the Green Dragon

You undergo a metamorphosis, taking on aspects of a Green Dragon. Until the spell ends, you gain the following benefits;

Toxic smoke billows from your mouth and nostrils, obscuring your position. Ranged attacks made against you have Disadvantage on the attack roll.

You gain a swim speed of 60ft and can hold your breath for up to 10 minutes, while swimming you may perform the Dash or Disengage actions as a bonus action on your turn.

Any creature that moves within 5ft of you for the first time or ends its turn there must make a Constitution saving throw or else suffer 1d12 points of poison damage

You can use your action to project a line of toxic gas 15ft long and 5ft wide extending from you in a direction you choose. Each creature in the live must make a Constitution saving throw. A creature takes 4d12 points of poison damage on a failed save, and no damage on a successful save.