EVA Unit 02′s twin double-edged progressive knives see action in Evangelion 2.0: You Can (Not) Advance, in the fight against the Angel Sahaquiel. The blades are deployed from the Production Type EVA’s shoulder pylons where the blades are initially retracted into the handle.
I am actually unsure of 02′s knives are progressive. Are they like 01′s knife which vibrates at a high frequency–thus improving it’s cutting ability? When activated, they do not radiate the same hue as the 01 blade. Neither did it emit sparks when thrust into an Angel core (01′s knife emitted bright welding sparks when Shinji impaled Shamshel’s core with it). Progressive or not, the blades got the work done when 02 kneed both knives into the Angel core in typical swashbuckling-Asuka-fashion.
What makes the knife unique is its retracting feature. The easiest thing is to make a one-piece cast with the blade already out, but I’m challenged by the thought of making it retract. If the 01 knife has the “knife glow” feature, I think this one ought to retract.
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