Summon the heavenly thunder!
When the Celestial Tribulation arrives, no matter how powerful your array is, or how strong your tribulation-crossing restriction, it will all be utterly destroyed. Heavenly thunder is the nemesis of such things.
The only regret is that Li An actually harbors a thought deep inside, not wanting Gu Canye and Xiang Yuntian to use the Immortal Dao Material to hit the ranks of the mighty.
Because he doesn't know if there will be future consequences.
But right now, there's nothing more he can do about it.
Besides, even if he doesn't want them to walk this path, there's nothing he can do. Could he stop their breakthrough? Tell them the truth? None of that's possible.
The only thing he can do is perhaps wait until they are on the verge of becoming Immortals... and then find an opportunity.
"Kill!"
"How dare you!"
