I Summon Holy Paladins

In a world fractured by spatial rifts, Hunters are humanity's ultimate protectors and greatest celebrities, strictly categorized by ranks and classes like Mages, Assassins, and Summoners. 

When young Arthur awakens as a Summoner, he expects to command the usual apex predators: dire wolves, hydras, or dragons. Instead, his magic breaks the mold, summoning legendary, humanoid Paladins from a forgotten era. 

One vanguard carries a colossal greatsword capable of cleaving a mountain in half, while another wields a crackling thunderspear that hurls localized tempests to obliterate entire monster hordes in the blink of an eye. 

To shatter the status quo completely, Arthur gains a unique passive skill that allows him to inherit their strength and combat mastery, ensuring he grows exponentially stronger alongside his legendary legion rather than hiding in the backlines.
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Additional information

MC gets strong really fast.
Overpowered MC
No Harem
Legendary Beasts
Dungeons
Guilds