Slow Time Power contains three Lesser Powers:
Slow Time Power Low Magic will slow time by 10x and lasts 60 seconds
Slow Time Power Mid Magic will slow time by 50x and lasts 30 seconds
Slow Time Power High Magic will slow time by 100x and lasts 20 seconds
You will find these Powers in your Magic inventory under POWER.
Use the Z key to activate them. Each spell can be used as many times as you wish.