The weakest summon? The devil's contract talent is maxed out at the beginning

Novel Summary

[Game Article] + [Unlimited Streaming] + [Refreshing Article] + [Relaxing] + [Funny] (No heroine) (Dungeon plot stream) He changed his job as a professional summoner in the sewers, but awakened the demonic contract strengthening runes, consuming the upper limit of his health in exchange for the summoned beast talent. Is the summoner weak? My talent is maxed out, how do you deal with it?

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