Runeterra: Laying Low in Demacia Until I Become Invincible

He transmigrates as a Noxian, only to get roped into a diplomatic mission to Demacia?

At this point in time, the Black Rose, controlled by LeBlanc, blooms in secret, beguiling Emperor Boram Darkwill and covertly ordering an expansion westward. Noxus prepares for war, waiting to strike at Demacia.

Su Yu: Damn it, I'm a pawn sent to my death!

Fortunately, he activates the treasure chest System. Ten treasure chests from the start. Ding! Host obtains Flash, Skill Book: Rewind, one Guardian Angel, one Zhonya's Hourglass... An ultimate survival kit from the start. Just keep your head down and you'll be invincible!

Fiora: The clothes my master gave me actually boost my combat power!

Lux: Final Spark, is this my talent? Thank you, Your Excellency the Diplomat!

Evelynn: You imprisoned me for a hundred years? Lowly human, you'll pay for your arrogance!

Morgana: My silly little brother still calls me big sister? Never mind, I'll stop hiding it and reveal who I am. That'll be a surprise for him!

...As Su Yu keeps lying low, he realizes he still isn't invincible. The people around him got there first!

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.