There are many useful places on the server(yes, I know most places support fire dust travel but these take resourses and cant be used anywhere) and some places you can't warp to. This is why I think a simmlar item to botw(Legend of Zelda, Breath of the wild)'s travel madalian. You can place it anywhere but only one at a time. This would store the warp into the warp key bag. Right-clicking the warp on the warp key bag could give it back to your inventory. This will be useful to people who grind, and people who explor the server and want to store the location.