still not too sure how this works but aright
your one-shots (yellow ones and blue ones) other than your unlimited basic ability (red one) are locked at the start of the game and they'll unlock as time passes

you got list of your abilities from Aries in separate PM, in order

1st and 2nd ability from that list are already unlocked and you can already use them, and 3rd one will be unlocked once D0 is over (when kills and investigations are unlocked), after that you'll unlock next ability each cycle (not sure about this one)
 
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