I am making a 2D Metroidvania style game where I introduce the player mechanics over the tutorial level. I have majority of the games mechanics down but what I need to do is come up with some UI popups for when they reach a certain point and also allow them to have the ability to unlock a mechanic for when they reach a certain point. How would I go about doing this?
Hey @Mxchael77!
For the pop up UI:
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As for the “Unlock a mechanic” thing, there are a bunch of ways to go about it but the main thing is when you DON’T have it you want a block of some kind, usually a Boolean of “HasUpgrade” etc. with a branch. 
Then you can set that boolean to True through the Level Blueprint. Just use “Get Player Character” and Cast To YourCharacter, then As YourCharacter set “HasUpgrade” to True.
Hope that helps!