===Altar of the Athame===
[[File:Altar_of_the_Athame_banner.png|600px|thumbright]]
<span style="color:#FFFFFF"> '''''The restless souls of traitorous assassins are bound to the fortress by a dark ritual. Stop the ritual and purge the evil spirits.''''' </span>
===Power Surge===
[[File:Power_Surge_Banner.png|600px|thumbright]]
<span style="color:#FFFFFF"> '''''Powered Up Towers build instantly, but they only last for a limited time!''''' </span>