Where in the desert do these things spawn!?!

I just encountered one as soon as I started the game pain in the ass it killed me and I joined stone and steel but in a spot but got killed immmedtly by one

𝙸 𝚆𝙰𝚂 𝚃𝚁𝚈𝙸𝙽𝙶 𝚃𝙾 𝚃𝙰𝙼𝙴 𝙰 𝙳𝙰𝙼𝙽 𝙼𝙰𝙽𝚃𝙸𝚂 𝙱𝚄𝚃 𝚃𝙷𝙴𝙽, 𝙏𝙃𝙀𝙎𝙀 𝙋𝘼𝙍𝘼𝙎𝙄𝙏𝙀𝙎 𝙹𝚄𝙼𝙿𝙴𝙳 𝙾𝚄𝚃𝚃𝙰 𝚃𝙷𝙴 𝙻𝙰𝙽𝙳'𝚂 𝙰𝚂𝚂 𝙰𝙽𝙳 𝚂𝙲𝚁𝙴𝚆𝙴𝙳 𝙼𝚈 𝚆𝚈𝚅𝙴𝚁𝙽 𝙰𝙽𝙳 𝙾𝚃𝚃𝙴𝚁!! 𝙽𝙴𝚅𝙴𝚁 𝙿𝙻𝙰𝚈𝙸𝙽𝙶 𝚂𝙲𝙾𝚁𝙲𝙷𝙴𝙳 𝙴𝚅𝙴𝚁 𝙰𝙶𝙰𝙸𝙽!!

My brother: how do I kill this thing

Me: that's the neat thing..... you don't