Thanks for the feedback.
Regarding telekinetic - this is an exploit, if in the future there is a desire to work on the project, I will try to fix it.
Matter is needed to create weapon forms (spectrum, outbreak and others) and mods for these forms (you can create 6 mods for one form). You can get matter not only from bosses.
Weapon forms - is not abilities
Unfortunately, the game does not fully correspond to the metroidvania genre, for example, backtracking is partially present in the game, as well as there is almost no non-linear increase in the complexity and interconnectedness of locations.