Lancelot could manifest the phoenix through his flames, so Liam was sure he could do the same through his poison. He was also confident in his ability to succeed on the first try.
The skill stemmed from the very depths of Liam's bloodline. It was an inborn ability, something he only had to call upon to unleash, not even needing much control to build.
After all, the dream during the breakthrough into the rooting stage was still vivid in Liam's mind. He recalled the feeling of being a snake, the Snake, of slithering through space in a body bigger than the world, wielding fangs that put mountains to shame.
As for why Liam hadn't been able to do it earlier, he could only guess. The most likely explanation was that Liam hadn't been as close to his nature as Lancelot. Raw talent, specific training, and maturity could have also played a part.
