Alright, I got it working and flashed 13.0.13 on my mi 11 ultra.
I downloaded this version of TWRP for A12:
twrp-3.6.2_12-v6.3_A12-star-skkk.img
I put it in my platform-tools folder and renamed it twrp.img
Did fastboot boot twrp.im
I was able to enter my pin to decrypt in TWRP.
Saved the...