You have not a optimal Simcity to protect against hellions. You want to place your defenses on a line begining at your ramp and going through your Nat Hatch
You don't scout enough in the begining. Once the Hellion are chased, you must take the XelNaga ASAP. 10 min is the moment of the 3 tank push, Be prepared for that moment.
Don't stay on muta too long. You must take hive 5 min before. The window for mutas is narrow, don't overcomit on them.
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