Click the Dragon to decrease his health. The Dragon will shoot fireballs at you. Your shield is the only thing that can stop the fireballs. Hold space to use your shield. As you hold your shield, it's charge will decrease. At 0 charge your shield will be put on cooldown for 2 seconds, but if you let go before 0 you will slowly regenerate your shield without a cooldown.
Made in 30 min for a game-off