I Use American Comics and Pay Later

Traveling through the Marvel world, Chen Sheng became a believer in Dormammu, the Lord of the Dark Dimension. There was dark energy inside that corroded the body, and Dormammu coveted his soul outside. His destiny seemed to be to die and merge into the dark dimension. Fortunately, the system appeared at this time, technology, magic, biochemistry... Everything is pay-as-you-go. [Acquire Dark Harvest: Each time you harvest a soul, you will gain 10 points of dark energy. Repayment method: 500 souls. [Get the Ghost Mask: Summon the Ghost Corps. Repayment method: establishing the Kingdom of Shadows. [Acquire "Super Soldier Perfect Strengthening": Perfect Super Soldier Physique. Repayment method: Green Goblin serum. From then on, Chen Sheng climbed up step by step, shouldering debts. Source of fire, twelve talismans, substitute messenger... As he walked towards the highest step by step and faced the demon gods from all latitudes who came to demand accounts, he couldn't help but laugh arrogantly: "I borrowed it based on my ability, why should I pay it back?"