Thank your for playing! Yes, I realized way too late into the jam that what I wanted to make would be too long for a game jam (in which you have to showcase the game's potential in a few minutes), so I tried to speed up things with little time to play-test and balancing. That being said, thank you for the feedback! It'll help a lot If I continue to work on it.
About the other abilities, they were made thinking in a slower or more defensive play-style, against swarms of enemies, which don't really happen in this last version of the game. Going forward I would change the enemy AI and rework those abilities accordingly.