If my phone's doesn't met the requirements BTW my phone is mi 3w and it's in version 6.0 I'm totally quitting toram and they will lose a lot of...
Most of katana users don't know how tenryu works, probably they still sticking zantei xD or hasso happa which it's still op so.
I would say if you get used or you know how to use tenryu you will notice thats unsheathe skill and its 1mp and its spammable(but huge mp...