this one has been a white whale of mine for a while and set my times back big time. I can't do enemy isg and i have trouble keeping a straight line. is there a way to stay on the path or a way to get to the chest faster without bomb hover as i've not mastered it yet?

Well you aren't going in a straight line. You are holding between up and right. But you could go in water temple first and grab longshot. Or you can learn getting isg off of a bomb which is a valuable skill to know so you only need a bomb to get isg. Or if it is allowed in the particular run, you could dip into shadow temple early for hover boots to help.

Might need to learn some tricks to enter the shadow temple early.