Review Detail of hungerpig in Supremacy Games

Started pretty good; the mc is a regular guy, not that smart, pretty funny, has a somewhat annoying friend companion (voice in head) with depth, plot armour is a lot but he has to 'cut off his arm' for it to work, good funny interactions with side characters, smart characters, depth. Now pretty bad; the mc is a prodigy among gods, becomes Kim Jong-un, insanely "smart", not funny, friend companion turned into nothing more than a yandere or a shovel that says it loves him, he continues to collect voices in his head that are more annoying and have only above surface emotions aka more shovels, no interactions with side characters, side characters IQ are in the 50s, Plot armour is insane as in the universe flips when he breaths. no depth and plot holes