All CLTs come with Choke Artist as an inherent, 'hidden' ability.
Its effect is magnified on KTKM.
Oh, and FBBs get it too if they equip heavy guns. (Especially "I bully DDs for breakfast" Kongou.)
Updated
Yokosuka Naval District
Year 5 6 Mo. 2 Wk.MoraleHPI went up against a heavily-damaged flagship of a boss fleet in its final form, but only managed to deal 1 scratch damage during the night battle cut-in. This is Choke Artist.
It's one of the red abilities with a negative effect. Anyone with it will blunder during critical clutch moments, making failure more likely.