gift of the hungering darkness

whenever you deal acid damage the damage ignores resistance 

whenever you are hit with an attack you can cause the attacker to take 1d10 acid damage you can do this a number of times equal to your proficiency bonus 

you have advantage on saving throws against being knocked prone or grappled 

you can activate your stench aura as a bonus action while active you can force any creatures you choose within 10ft of you to make a DC 16 con save or be poisoned