Zipp's Guide to Converting 3.5/Pathfinder Monsters into 5th Edition Dungeons & Dragons

From the introduction: I love the 3.5 and Pathfinder adventures, but I prefer the 5th edition rules. So this means I do a lot of conversions. After months of playing around with numbers, I have hit upon a system that I have tried enough and feel confident enough about to share. I’ll walk you through my steps and provide an example monster, the Criosphinx for you to see how a final product looks.