The spread of fire was faster and more ferocious than Duncan had imagined.
He had only lit a small fire at the edge of that massive "pillar" and was prepared to wait for it to spread slowly, but he didn't expect the small fire to instantly grow into a towering inferno that illuminated the deep sea—beneath the tremendous pressure of billions of tons of water, the fierce flames were even more bizarre than usual.
Transcendent objects are the best fuel for Spectral Flames, and the ancient god's tentacles naturally qualified as "Transcendent," but even so, the fire burned too fiercely and too quickly.
It was as if some force was acting as a catalyst, enhancing the power of the Spiritual Fire.
Was it the special environment of the deep sea that was causing this? Or was the ancient god's tentacle actively "cooperating"?