I'm in Marvel

Traveling through Marvel, Russell awakens his attribute panel, and can improve infinitely by absorbing energy.

Talent 1 [Energy Absorption]: Can absorb any energy and convert it into [Lifespan] (attribute points).

Talent 2 [Attribute Transfer]: [Lifespan] can be converted into [Constitution], [Perception], and [Spirit].

Just when Russell thought that his fate was numerical crushing and becoming a one-punch man, he found that there was something wrong with his talent 1 [Energy Absorption].

Light energy, electrical energy, thermal energy, kinetic energy... and various magical energies.

Under the guidance of Master Ancient One, Russell began to harm the demons of various dimensions.

Russell: "Mephisto, I forgot to collect the interest on the last compensation. Let me settle it."

Russell: "Beast? Just a primitive demon, watch me refine it in an instant."

Russell: "Dormammu, I'm here to negotiate."

... And e=mc^2, mass can also be converted into energy... Multiverse, you smell so good.

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This book is also known as "Russell is not a numerical freak", "This Supreme Mage is not quite a Mage", "Me and My Supreme Mage Group"