Bloodstained Altar

Name: Bloodstained altar Cost: 3000 Attack: 1-1 Range: 1 Cooldown: 1 Element: Darkness Gender: None Ability 1: FOR THE DARK GODS! (active) - Sacrifice one random Acolyte of greed to the great old ones. Ability 2: Eldritch gift (passive) the next wave will be converted to eldritch cultists. Maybe the second ability could be switched to a Buff or something, if the cultist mechanic is too difficult to implement. Something like raising the HP or the luck of all towers by 5 %