Just a head's up, once you buy "One Mind" the Grandmapocalypse starts and it doesn't end, only gets held off by the Elder Pledge in 30 minute increments that get more expensive up to a ~68 billion cookie cap
Also the Wrath Cookies that appear have a chance of halving cookie production for 66 seconds or instantly taking away 6% of your cookies so be careful with those
What is the Neverclick achievement?
Neverclick: Make 1 million cookies with only 15 cookie clicks
True Neverclick: Make 1 million cookies with 0 cookie clicks