I got it without finishing the stage 13 yet. The most powerful and useful card. #24 :) : r/Skyforce
Steam Community :: Screenshot :: Skyforce Reloaded 24th In-Game Card
Infinite Dreams - Sky Force Reloaded - LASER WHIP | Facebook | By Infinite Dreams | If LASER WHIP is the one feature you've been missing in #SkyForce - you're in luck!