Here is the full list of all 11 Take Thy Throne achievements.
Buy 70 Items from the store
Chop 80 Trees
Kill 100 Golems
Play during Halloween
Kill 50 Dragons
Capture 20 flags in CTF
Win 15 games of Take Thy Throne
Slay 10 Kings at your own hand
Mine 80 Ores
Take down 20 Towers
Kill 100 Players