If you're allergic to P2W Games, please stay away
I would agree that Dragon Raja is one of the games with best graphic in mobile currently, even compared to Genshin Impact or Tower of Fantasy. The level of detail of 3D model of the character here is stunning.
However, that would be the easiest pro among other many cons. At first, you might be amazed by all various features in the game, but the longer you play the more repetitive you would find yourself playing this game, like repeating all the dailies, doing the world bosses, or other weekly club activities.