About inventory upgrade via boss

I do not own minecraft i cant afford it, i watch it regularly on utube and would like to make suggestion as most of the people i watch always complain about inventory, with all new biomes addition there is good chance to add a Boss who drops an item once per player which expands inventory line by 1, with addition of so many blocks its really helpful to have one additional line of inventory and players will have to earn it via defeating a boss its not directly from start, they have to explore, find a dungeon, get materials summon the boss and get the loot, the dungeons can be used only once and only 1 player will get the drop so that other player still have to explore and find another one, its fun mechanic and i think will be appreciated by the community a lot