I've just found what looks like a new ability in Splatoon 2. I ended up stumbling across the Nintendo UK official page for Splatoon 2, and at the bottom of the page where they've posted information on the Amiibo and how they'll work they've snapped a picture of an ability icon we haven't yet seen. Unfortunately the picture isn't the biggest resolution so you'll have to make do with this:
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It's a picture of a squid with a halo (typically signifying an ability that activates upon death), and a human form next to it, half in green, the other half in black inside a grey semi-circle. My only guess is based on the semi circle it may give you a temporary shield on respawning for safe jumps? That's a pretty terrible guess actually, but I can't think of why else the human form would be 50/50 colour with half in a semi-circle and the other not. I'll leave it to you guys to come up with the better ideas and guesses on the ability. This plus the other ability that was teased a few months ago (the purple squid with orange ink on it) are 3 additional abilities we know of that weren't in the E3 build (if Ninja Squid is back). This now brings us up to 17 abilities, and this will either be the last, or there's 2-4 more we don't know of yet.
I have a feeling this pretty much confirms the death of exclusive abilities, because we've got a lot of stackable ones now which will naturally go with the expanded number of brands we have. Cold-Blooded and Ink Resistance have been converted to stackable skills, and Bomb Defence Up basically replaces Bomb Sniffer, and most of the other exclusives can't really transform to stacking scales very well/if at all. The only enigma right now is Ninja Squid, but that could be stackable where the ink trail gets smaller and smaller with more of a swim speed reduction the more you have on.
