Crystal Defenders 100% Walkthrough: W2 Map Melby Point

Map of Melby Point Completed Wave2 --insert a lvl 1 black mage (00:38) Wave 9 -- Lvl up archer to lvl 4 (03:09) Wave 22 -- Wave 22 was a very minor misstep, I had plenty of coins to upgrade, and this is where I ended up losing a crystal. So be aware of this. Have any tips or suggestions, leave them on the comments below please.