there are certain zones on zyre where placing and breaking blocks is not allowed, for whatever reason. i think you should be allowed to place and break ender chests and shulker boxes here, since i have seen alot of players dying because they werent aware they were in one of these zones and tried to pull off a quick refill. i think its a pretty boring way for people to die and its not really that fair since sometimes these can catch you off-guard and its hard to notice when you are in one of these