I used to work for a club and the highest THC count we had in our store was a tie between Flash Burn and this really crazy stuff from Hawaii, HI Smash
Flash Burn= Intense mentals, a really good 'zoned out' kind of bud. 9/10
HI Smash= Great mix of mentals and body, only bud that still gives me the munchies, 'creative' high. my personal favorite. 10/10

And of course the only way to get the purest THC smoke possible is vapes.