actually, slimes have are not that strong, stacking up your defense makes you immune from them, also do not take reroll, its useless, the expected value of all the coins are 5 so its better to have a 1 or 2 gamblers coin and have the rest as stable as possible (like a 4-6 or 5-5). and its a very easy game once you know the defense and attack stacks on the enemies. and in the end game the rng does not even affect the game because the odds even out when you have more 7~8 coins. it becomes more of a distribution game.