#Sorry, close it, It doesn't work 100% it is by luck!
if you want it try it then here :
[How to]
After opening s4-league.
Open soul's Trainer.
And enter a Scenario
Now in game sometimes when you press HP Refill you die.
If you did then, Re spawn [Revive] and wait 1 min to avoid crash, then hit the monster 1 hit and he will die!
Dis-advantages : If you didn't die from the Hp Refill, you have to re open the game and retry!
Note : It doesn't work Every Time

That is why Close plox