The first important thing is the harass part. Most protoss close the ramp with a zealot. Don't try to kill it. Instead, get the building (probably the gateway) next to it. It will take 33 seconds to destroy a gateway with 3 lings. If the zealot moves out, then you try to enter the base. Memorize the build order and use the hotkeys to keep building stuff at base.
The second important thing is to scout the map. Use one for each side. Shift-queue the Patrol Mode and don't include these lings in your army's hotkeys.
The third important thing to keep in mind is to protect against Oracles. But if you scouted the whole map and scouted enemy's base and you didn't find any evidence of air units, you can skip this step.
The last note: Keep all your army at hotkey 1 (lings and ravagers) and just the ravagers at hotkey 2. This will help you to use the ravager ability and to keep them behind the lings.
Try to focus the 'Corrosive Bile' ability on 'Photon Overcharged Pylons'. If none, use 3 to kill mothership core and other 2 to destroy pylons. This will increase the probability of a supply block. Leave the workers with the lings.
Remember to inject larva! Don't loose the Ravagers and keep sending lings!
Why is there no SALT encoding or Overwolf build?
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14 | | As soon as the 6 lings are ready, go harass. | |
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19 | | Use these 2 lings to scout each side of the map. | |
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28 | | Protection against Oracles. Do it before 3:30. | |
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47 | | Go for it. |