We have just updated Siege Castles in Early Access with our latest feature update. Inside the revamped inventory system you will find the first of many “Interiors” to come: Arcane Shield! Add the shield to your castle in build mode and then you can deploy it in battle by tapping on the room. This powerful magical bubble will protect you against incoming projectiles while active. We are really excited about the underlying new inventory system, because with that work out of the way we can start adding more mechanics to play with. Let us know what you think; Siege Castles is in active development and we are all ears for your feedback and suggestions going forward.