I really want to rate this 5 stars, but I can't because the insane amount of lag in later levels from all the bodies and enemies. Pressing a movement key once will make me end up halfway across the map, failing a "protect the tower" objective.
There seems to be a glitch where using epic set weapons will let you get the set bonus without wearing the set. At least I assume that's how the purple text works. For example, when wielding the Snow Scepter, I can heal off of the frozen enemies without wearing the Frozen Diamonds or Stone. This becomes silly with the Cursed Blade because I can get its great power without getting the curse.
I also encountered the bug that Enigma193 mentioned, where it is impossible to upgrade the minions after maxing out Santa's upgrades. I didn't really notice for a couple rounds, but when I did, it was disappointing. I still managed to win, but it bugs me that I can't max out my minions too. Great game otherwise!
I heard the music, and was like, "Where have I heard this? It sounds like MaestroRage." And then I saw the music credits and was happy!
Back to the game, though. It was fun, but it kind of got boring quickly. Sticky Shield and Shield Bounce made it way too easy. I might not have gotten far enough (Level 20ish) but there needs to be more types of enemies, not just the same type but shoots more. With Shield Bounce, that just makes it EASIER.
Anyway, that's just my thoughts.
Uh, Jipez, the game is called "How to Raise a Dragon", meaning that it's about the DRAGON, not the hero. It's the end of the dragon's life, so the game ends.
This game needs badges. If you think so, copy and put your username here: blob62, Zrowny , rotespferd, Drakeldoomguyy , Morrolan, Gaztopbrez,nightfire11, Timrules, Pi3ed,EvilEvo, Popka90, Kankuro195,torterra2234,jmaster113,ultimateboy,guitarhero360, silentskieblue, Twig7,BraveGun,dashark,9bloodangel9 ,Benpaard, azzyheartsw, Zyquux
 "Decision:Medieval"){kind=icon}
 "Loot Heroes"){kind=icon}
 "Ultimate Santa Battle"){kind=icon}
 "Shield Defense"){kind=icon}
 "How to Raise a Dragon"){kind=icon}