Mad King - Action RPG

You're an assassin. You are the favorite of the Master Assassin.
Master Assassin gives you a very important but also a very dangerous task.
This mission is to assassinate the King of Trura.
To achieve this, you have to kill the guards of the king to weaken the King.
Can you handle this mission?

You will fight against sorcerers, archers and infantry in the game.
You need self-upgrades to move along this path.
For this, strengthen your power with various items sold in the game.

The King of Trura is popularly referred to as the mad king.
The reason for this is said to be the effect of a big event in the past.
The only heir of the king was kidnapped in his childhood and no news from the heir was ever heard.
The king did not have any children after this incident and started to lose control of oneself.