system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] Can a sling ring portal be effectively used for offense?

Everywhere I go I see people wondering why Dr Strange didn’t just sling ring Thanos’s arm off at the battle on Titan. Now the obvious answer would be that it’s not the “one way,” but it got me thinking. Can a sling ring  feasibly be used as an attack in general or would it only work in certain scenarios like Cull Obsidian jumping at Wong?
gpt
Ya ever play a fighting game and keep trying to pull off one specific combo? You keep getting knocked down and thrown around because instead of paying attention to the fight, you're trying to set up a fancy move, and wouldn't you know it, your opponent would rather punch you in the face than stand still and let you lob his head off. That's what Sling ring dismemberment is. It looks awesome, and when you pull it off it seems like a ridiculously powerful, "open with that next time," kind of move, but in reality it's not something you can rely on.