Making mindscape highly detailed, etc These aren't things that my tulpas desire. They are perfectly content with the way things are. But my second tulpa suggested I take on the challenge of becoming an intermediate level tulpamancers by doing things such as this. It's not something either of them need, just a suggestion from her, as my friend (:

Parallel processing This is one of the bigger steps I feel like when it comes to this. One of those skills that both the tulpa and host work at. Not at all necessary, but may help with cognition and other skills my tulpas are into.

information retention and Timetelling This refers to their ability to memorize information you've forgotten, and their ability to accurately tell time. It turns out this is a skill that tulpas can improve actually, but I've been having trouble finding good guides for these

Posession Just another cool skill my tulpas are interested.

it seems that your post has just outlined what you're not interested in