The Revo by Sensei has basically everything you could want. Its convex blade design is forged from Japanese steel with molybdenum, vanadium, and cobalt to improve rust resistance, durability, and hardness.
Forged blades are generally shaped at over 1000 degrees Fahrenheit and brought down to about 32 degrees quickly to temper them. Sensei goes a step farther and cools their blades with liquid nitrogen, bringing them down to -300 degrees slowly.
To sum up a lot of science-y articles I read (like this 2019 study published in Materials), Temperatures this cold have a huge effect on the structure of the steel molecules. It makes the metal much more stable, long-lasting, and hard without making it brittle. Sensei has a video on Vimeo showing how their methods work.
In another effort to prolong the life of the scissors, the Revo has a built-in polymer glide at pivot ride that prevents the blades from rubbing against each other. The pivot has a reversible ball-bearing tension system that creates better stabilization and a smoother pivot. Being reversible means you can pull out the tension system and switch it to other side for more comfortable left-handed use.
As far as ergonomics, Revo has a strong crane-style curve to the handle which lets you keep your elbow down as well as a swiveling thumb with 360 degrees of turn. The swivel uses a ball-bearing so you won’t have to fight to move it around.