https://github[.]com/DmitriySalnikov/GodotPCKExplorer/releases/tag/1.5.3
https://github[.]com/GDRETools/gdsdecomp/releases
First one to unpack, second one to decode and edit the specific file, then saved it as copy, backed up the original, re-encoded it, replaced it with mine and then repacked it and replaced the original pck. Sounds complicated, my experience with pck files was 0 and I managed it.
Bruh, why am I not catching a pike... Night fishing is pretty much impossible and I have all the upgraded gear, only able to catch a catfish. Also during the day I only attract Crucian carp and Zander. Am I missing something??
Edit: Nevermind just after I posted this I caught 1, seems they are probably the most difficult to catch