Some tips
.Any enemies with breath attack are really dangerous due to them having more HP
.Gaist and Arwan can be tough due to them having more HP and being solo bosses
.Don't try to rush this hack! You will have trouble on the later enemies/bosses
.Save before doing Angel Tower so you can stock up better if the Mine Boss (D.Zombie) give issues
.later on enemies have a lot of HP (bosses as well)
.Goo Titans and Thrashers are very dangerous if they use timed blow
.Enemies with HP regen may have to be focus fired due to their regen being more.