Ning Yi’s Warning

Going back five minutes earlier, prior to Carmen's explosive damage output, Xu Feng had detected that Sentinel was shifting his phase rather quickly.

For once, Xu Feng finally felt his raid members were actually elite, given their efficiency in cleansing the lava terrain. 

Not to mention, the Tanks were starting to display their full strength, consistently hindering and rotating in time to ensure the Sentinel could not deal any devastating damage.

Without a doubt, at their current pace, Xu Feng could calculate the Sentinel would die within 10 minutes or so. 

And given the Sentinel's intelligence, it should also know its chance of winning was slim. After all, it had lost all its bodyguards, with the remaining ones being blasted by Carmen. 

As the Sentinel got interrupted once again by another Tank, it finally reached a breaking point. Unwilling to be pestered by these ant-like humans anymore, the Sentinel roared and began expanding its mana.