Check damage of obsidian or other "durable" blocks

This is a small thing, to highly experienced players this won't matter, but OG Factions players might appreciate this. On the OG Factions servers, you could check if the TNT from your cannon was damaging obsidian using an item (It's been over 10 years, but if I remember, either a potato or feather depending on server). Using the item on the obsidian would say in chat what the durability of the obsidian is, something along the lines of "The durability of this block is 2/3" I'm not sure how much work this is to implement, but it would be a nice touch (I'm personally fine without it, but another player brought it up in the beta)