Strongest Crown Prince

After surviving an assassination attempt orchestrated by his own brother Lee Cann, the kind but weak Crown Prince of Southern Tang, gets Miraculously saved by his loyal maidservant, Mu Wan'er.  
Completely distraught by the shocking betrayal, Lee discovers an ancient system granting him extraordinary martial prowess and the ability to level up through battles and defeating foes. Almost overnight, Lee transforms from a timid prince to a formidable warrior, vowing to reclaim his rightful place and bring justice to those who wronged him.  
Together with his loyal maidservant, Lee Chan journeys through treacherous terrain in a quest to become a powerful warrior and uncover dark conspiracies within the kingdom.  
Can Lee Cann truly trust those around him, or does betrayal lurk in the shadows?   
How will he navigate the complex web of politics and power within the kingdom?