God is not the sadist too many misrepresent Him to be, but He is Just and He is Love: Those who foolishly or wickedly reject His offer of eternal life through Yeshua will perish, will suffer the second death, will be reduced to ashes - completely destroyed (both body and soul in Gehenna Fire) - just like the Bible teaches.
Is There a Hell?
Hell - Man's Idea vs. the Bible
To Hell and Back
Born Again and Heaven and Hell