Decipher

first text: DON'T WORRY ABOUT HIM, HE'S ONLY PREVENTING THE INEVITABLE. THAT DARK PURPLE PARASITE TOOK THE SPOTLIGHT WHILE I WAS FORGOTTEN. PLAYER. REMEMBER MY NAME. NILVARIABLE.

"X-xbt ju tpnfuijoh j eje...? Xibu uif ifmm dpvme J IBWF EPOF kvtu gps uijt...ubmm hfn gsfbl up ibuf nf tp nvdi??? J sfbmmz hpuub hfu hpjoh boe bumfbtu gjoe tpnfpof." -Dibsbdufs