Impossible
Ryu's laughter continued to echo through the skies as Lu'card grumbled. The two had already set off toward their next destination.
At this point, Lu'card had already realized that this world was… difficult to deal with, to say the least.
The main issue was that he stood out like a sore thumb. Any humanoids that saw him would want to kill him because they didn't want powerful beasts to rise up in this world. Any beasts that saw him would want to kill him because they wanted to rise up.
No matter where he went, he was a target. And his body was so large that there wasn't exactly a place for him to hide.
Although he could hide in space quite effectively, even with how high his affinity was, even his own stamina would eventually run out.
The only way out of this was to work together with Ryu. He was already stuck with this anyway, so there was no changing.
As for why he was so infuriated before, that was because Ryu had tricked him.