Su Shi'er's mind trembled slightly, and he immediately understood.
When they had faced the Resurrected Evil Lord in the Immortal Tomb, the flying sword in the Immortal's remains' hand had been activated. The surge of tremendous power that had appeared at the critical moment had played a decisive role.
Now, it seemed highly likely that power had come from this Demon God.
Otherwise, his group would either have died or remained trapped within the Immortal Tomb.
The Evil Lord might have been able to break free of the Immortal Tomb, but so long as the Wangshu Sword remained tightly gripped in the Immortal's remains' hand, the Demon God within would certainly have been unable to escape as well.
Lightning flashed through Su Shi'er's thoughts, and in an instant, he understood many of the questions that had previously baffled him.
He then hurriedly drew a deep breath and spoke apologetically to the figure within his dantian,
"This... was this junior's failure. I unexpectedly released such a Demon God!"
Had he known beforehand that such a Demon God existed within the Immortal Tomb, then while inside, perhaps even if he had had to sacrifice this Immortal Body, he would not have disturbed the Wangshu Sword held by the Immortal's remains.
According to the Wangshu Sword Spirit, though the Evil Lord Guixu was troublesome, Demon God Xuantianjun was undoubtedly the far more terrifying existence.
Unfortunately, now that things had come to this, nothing could be undone.
"Little friend, there is no need for self-reproach! The situation within the Immortal Tomb was inherently impossible to predict! The Evil Lord and the Demon God were cunning by nature. Even without you, they would surely have thought of other ways to escape."
"Being able to close the Immortal Tomb in time and leave the Evil Lord