there is a theory on the feeling of Deja Vu that the reason we feel it is because our mind naturally takes a few seconds to properly process the information so that the world we see is actually not the present but in the past and sometimes our brain suddenly overclocks and it absorb the information of the present as well as the information of the past.my guess is MC's brain is capable of overclocking itself at will allowing to perceive events before they happen allowing their body to react quickly.

when id the next chapter?

Local news: Truck kun Isekaies millIonare!

But if you think about it, people would least expect having a legendary item hidden in a low level dungeon, perfect for hiding valuable treasure.