Limitless Summoner: Rise of the Soul God

Ethan wakes up expecting to see the walls of a hospital room—only to find a system message blinking in front of him: [Ding! You have killed a green worm] [Ding! Green worm has been added to your summoning list] Anything he kills becomes his to command?! — Description from novelcodex.orgFull novel: Limitless Summoner: Rise of the Soul God — read the rest free on N​o⁠v​e⁠l​C⁠o​d⁠e​x⁠.​o⁠r​g⁠