Is Dash Attacking a Snake who is trying to pull out a Grenade a good idea? And can rolling behind him be a good idea if they start spamming spaced tilts or is there a better option to punish them? There is a Snake who is giving me trouble with his shield camping with a Grenade in hand and I need help knowing how to approach him.
Well if he just sits there with his shield on and grenade in hand, either don't approach and let him wear down his shield (make like you're going to approach but keep at a safe distance) or run up and grab him. If he spot-dodges when you run up, read it the next time. Also be ready for the DACUS, if you're far enough away you can bait it and easily punish with Jabs.
Dash Attack is great if Snake is lobbing the grenades by simply letting go of B, because it can sneak under the nades and knock Snake off stage if he's near the ledge. However if he's shield-dropping them it's a different story and DA is usually not a good idea.
As for tilt spam, the tip of Fair will easily outrange his tilts, so it's just a spacing contest. He can punish your whiffs much more easily than you can punish his though; thus your other option is to get in close quickly, shield the tilts or use a well-timed spot dodge (make sure you're not throwing spot dodges out randomly though) and punish with Jabs.
Snake will destroy your rolls though, so rolling behind him isn't a good idea.
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