@mischievoustomato @SuperSnekFriend You literally do either /boot/efi or /efi (Assuming you have a bootloader capable of running .efi files outside of /boot) because otherwise you'd need your entire root formatted into fat32, an ancient file system that won't support individual files larger than 4 GiB not to mention having no encryption support and little journaling

You could do:
/efi (Its own partition, 512 MiB, but you need a bootloader capable of booting files outside /boot)
/ (The entire root, about 50 GiB to be the safest)
/home (Its own partition, as big as possible)
Add swap if you please

If you need btrfs, you can just do your /home partition into btrfs, that way if it commits seppuku it doesn't kill your whole system