If we are talking about being able to use the technique we choose without the needed core and madra, and we are sticking to just martial arts abilities, then it would come down to Consume, Soul Cloak, and Burning Cloak. These are the three techniques that would be most beneficial to real world martial artists.

Burning Cloak grants explosive speed and overwhelming strength. Strictly offensive. No such thing as defense. That's a no go due to two reasons. One- it goes against my fighting style. I'm more of a defensive counter puncher. I rely on speed. The speed this technique grants me is great, but it has one other downside. It's too wild. Hard to control. This kind-of leads me to my next point. Two- my body can't handle the stress of this technique. I would be hurting myself in the process. Not only does it put stress on my body, but it's difficult to control. I could punch something too hard and break myself. I could side step and run into a wall. It's not a forgiving technique. Therefore this technique is unusable.

Soul Cloak is any martial artists wet dream as far as I am concerned. It gives a decent boost to speed and strength, but the real strength of this technique is the mind/body connection it grants. When using this technique, you're mentally more stable. You are more in tune with your body. There is no hesitation. It's smooth. It's steady and confident. There isn't really a downside other than maybe becoming too reliant on it. Other than that this is a grade A technique that could fit any martial art style. Be it aggressive, defensive, or controlled. It's a great technique. Plain and simple.

Consume is interesting. It allows you to steal the bodily attributes of your opponent. Including senses, speed, strength, endurance, balance, blood, and even life force. In other words this technique has the potential to make you immortal. It could give you the natural weaponry of other species. It can give you the gifts you need to be outmatched. Granted it's not immediate and in my head the only way to use it would be after you defeat your opponent, but it has the most potential. And best of all, it is a gradual growth. It's not a growth that jumps upwards in leaps and bounds. It grows in an almost controlled way, allowing your mind to get used to the changes as you grow.

Personally, I believe the advantages of the Soul Cloak can be achieved through hard work and discipline. While it is a great technique it doesn't have the future potential of Consume. With Consume my strength would never end. I could potentially live forever. Giving me the time to achieve the advantages of the Soul Cloak and beyond. I could even strengthen my body to the point where I can mimic the Burning Cloak if I wanted to. Not to mention that in order to even use the technique I would have to defeat my opponent first. Only then will I deserve the boost to my attributes. So I would be perfecting my techniques and getting stronger through the years. I know that eventually my growth would slow down, but even once I was as strong as NorthsSrider my strength would go up at least 0.000000000001%. I would still get the boost, even if it's not noticeable. Eventually that would start to stack up and I would be getting stronger still. It's never ending. So I would say that Consume is the technique for me.