The Immortal Gate Raider

In a world where anyone can be summoned into the towers at any time, the risk of dungeon breaks is always looming, how will social reject Kang Jackson the coward be able to survive and support his hospitalised younger sister.

Scared of death instead of chosing the recommend first skill being a combat type like swordsmanship ,spearmanship or archery, Kang chose health regeneration, a small healing factor to begin, the more its used and the stronger her grows the faster it works. He creates synergy by choosing, pain resistance, poison resists, paralysis resistance. When he has to chose a creature to spiritually bond with and skills to gain he gains the options of some rare ones, like the immortal Phoenix or Unicorn