how to make volt rain infinity to stay not cooldown

hello today i want to tutorial you haw to make voltrain ,shadow fall and divine sermon(cleric) how to make to do it infinity
so for this you will need ce(cheat engine) i work with 6.1 version so select the processor select aika select in value type:text and in value : put volt rain
1. first scan
2. chande what lvl is your skill
3. ctr+b and change 15 line and find there ( 70 17 00 00 ) and put there (99 99 99 99) i told you 15 lines that is on ce 6.1
4. and play there skill that i told up it works
sorry for my bad english