How do i Maximize Havok?

Repto23

Just pulled a 6* after beating 6.2 for the first time and dont know how to utilize him. Any/all tips are appreciated, thank you in advance!

Nichj99

SP1, then Build to SP3 while landing 5 heavy attacks in the process (each one adds 1 prowess)

Then ideally combine it with 10 stacks of plasma on the opponent for detonation