On its own is a good game how ever there is a huge isue with cheaters like every 3rd player has modes heroes. 
Let me explain what i mean by that. 
I just lost with fullly. 5*awakened tier 5 gear and fully pvp oriented team against some dude with 3 heroes of level5  1 shoting my whole team.
And devs just dont care.
Than there is also an isue ehen it comes to combining recepies to get some special purple star heroes which takas 2 specific max upgraded heroes to be comboned to receive that hero with 100% chance...
How ever if you put this negative stuff on tje sixe game can be really enjoyable.