How do I destroy one copy of a sprite?

Hello, this is my first time on this forum and I have a question.

I'm making a Terraria-like platform game and i've made it so you can place and destroy "blocks"/sprites, But one problem. If I set a button on my mouse to destroy 1 copy of a sprite, it will destroy all copies. Since placing blocks only creates a new object with the exact same copy I need to do it like the aforementioned statement.

Seems like you are not referencing the block in your event, so C2 doesn't know which block you mean and picks all.

How events work

Exactly, how would I go by doing that?

Do you understand what is explained in the link I posted?

If you can tell us, how you have your event set up it will be easier to explain how to "fix" it.