Stuck during boot - help needed to chroot into encrypted system

I would go for nvme0n1p2 being Manjaro and nvme0n1p3 Swap:

nvme0n1     259:0    0 465,8G  0 disk 
├─nvme0n1p1 259:1    0   300M  0 part 
├─nvme0n1p2 259:2    0 456,7G  0 part 
└─nvme0n1p3 259:3    0   8,8G  0 part