Splatoon - Hero Mode B-4: The Ravenous Octomaw!

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Agent 2 is a show-off.

Key Notes:

Boss: Octomaw
This worm likes to pop up from the ground and surround you within its teeth that you have to wreck down to escape before it eliminates a portion of your health bar.
After it misses doing the above, you NEED toss-able bombs to toss into its tired mouth hole to make it reveal its weak point. The missile seekers are ineffective and thus makes the fight un-winable (unless you're supposed to launch the missile right before it swallows up, but that's too much trouble).

Watch, enjoy, and comment, everyone.