A high-level "Building" upgrade or a rare seasonal drop like the "Omelette" to speed up egg hunting. The Grandmapocalypse Strategy
This allows "Wrath Cookies" to appear, which can give the (666x production). cookie clicker advanced method
“Given enough golden cookies, all cookies are possible.” – Ancient Baker’s Theorem A high-level "Building" upgrade or a rare seasonal
By using a Sugar Lump to refill your magic meter instantly, you can cast FtHoF twice, refill, and cast it twice more. This allows you to stack a Frenzy, a Dragonflight, and multiple Building Specials simultaneously. Managing the Pantheon you can cast FtHoF twice