"We'll help you if you can't hold on any longer."
They told him that they are there for him because what he is about to do is beyond him and he will need their help. Even so, most of the burden will be on him. He is the focal point that will bear the bulk of the stress. If he breaks, so will their plan.
It wasn't Helios's idea to do it but a plan that they hatched from the first moment that the tree father succeeded in decrypting the Stigmata on Helios's back over a hundred years ago. It is an insane plan that will benefit Legion so he has to do it.
The divine engine started to swell as it got more powerful. The void within the divine engine is disappearing at a fast rate as the star that represents the celestial power of the sun god began to expand. He has to absorb the star and take control of it or it will expand until it explodes. It is a crazy idea. That's before we add in the fact that he is still in the middle of becoming a transcendent.
