1st of all you can skip all of this if you know someone that did this already and has access to the catalyst chest. Just join on them and open the chest.
This all has to be done in explore.
For the Founts it has to be the THIRD final room in the run it cannot be the second room or the rune to shoot to open the door will never be there.
The Toland one I’m seeing a lot of people kill the cabal and thinking that’s all they had to do. Once you kill him he will drop a key code for you it will say you have it above your super meter. Then go and open the nearby red cabal barrier door and open the chest.
The third Coalessence of Knife comes from the 150 taken kill quest you get while doing this weeks act 3 quest.
Watch this to always get hull
https://youtu.be/5rt9IkyAsQo?si=RCL84t_ZDSOjqMsg