I like the concept I must say but I found the game interface a little difficult to adapt to. Firstly, there's a slight delay between the mouse click and the throwing of holy water. During this delay, if you move the cursor, your little dude throws holy water at the cursor's new location, rather than at the place where you originally clicked. This prevents you from moving the mouse until the holy water is actually thrown, if that makes any sense. It makes it difficult to target the next enemy, I'm not sure if this was your intention. Secondly, it's not clear (to me, anyway) how many candles you need to lose in order to lose the game. Maybe this is mentioned somewhere, I might have missed it. Apologies if this is the case.
It's a cool game, nice work, if you can clear these things up for me, I reckon it would be even better ;)
Keep up the great work