I Practice Magic and Take Poison, but I Am Really a Serious Immortal

After time travel,? ? Awakened the "Side Effect Transformation System". [Toxicity: Sanhua Powder] [Side effects: damage to the person's vitality, exhaustion of energy and blood within three days, and death from wind and cold] [Transformation: Strengthening the foundation and cultivating the essence, filling the Qi and blood, and the purity of the wood spirit root +1] [Toxicity: arsenic] [Effect: Corrosion of the five internal organs, bleeding to death from the seven orifices] [Transformation: Cleanse the mortal body, consolidate the six internal organs, and increase the purity of the golden spirit root by 1] [Kung Fu: Xuanyin Kung Fu] [Side effects: Damage to one's sanity, dust on the spiritual platform, and one's appearance is like a demented child] [Transformation: Tempering Spirit Platform, Replenishing Soul, Comprehension +1] "..." ? ? "Excuse me, what is your sect's most poisonous and cruel technique? I want to challenge it." "It's best to be the kind that kills you on the spot as soon as you practice." "There really isn't any, I can just use it as a cauldron."