@Sindead28 May I remind you that this ¨soldier¨ was betrayed I know that some may feel obligated but at the same time how about you put your self in there shoes (I know its just a manga but tbh the argument is kinda fun:P)
If you use this power your very existence will stop and you will never exist to anyone in the current timeline (plus you should explain what drastic means)
I have the power to control things to an atomic level like turning a rock into a gold hand and making it wave