CRYSTAL champ ratio
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I have a request- 2 of my friend recommended this game to may. its really fun,sometimes a bit dry. but fun. you should change the ratio of premium hero crystals. spending 150 unit then getting a two star hero is kind of a drag . i mean already updating a hero is really tough. having not enough gold or catalyst etc. give slight higher ratio for 4 star hero that's all i am saying.
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