Also work to remove 3-step ninjutsu. A rework I'd like to see is this:
- Remove all 3-step mudras
- Remove Fuma Shuriken, Hyoton, Huton.
- Change Huton to be instantly refresh to full duration at level 45 when out of combot, is both cast and extended by Armor Crush, acquired at the same level.
- Make Suiton and Doton 2-step mudras, add a new 2-step mudra because there's room.
- Raiton is the new 1-step single target, Katon is now a 1-step AoE, room for a third 1-step, could be aoe, single target, group buff, whatever really.
The reason for this is that the biggest source of mudra clipping is the 3-step mudra, followed by 2-step on especially bad pings. And since there's already a ton of wasted space in the mudra system in addition to bad abilities that can just be turned passive because they're typically one-and-done (Huton), this would keep the thematic trappings of how Mudras work while mitigating the issue, if only a little.
I would then take trick attack, halve its potency, double its duration, and remove the positional requirement from the debuff portion of the attack.
Trick Attack is a problem because it's both too strong and too short lived. Well, this is a net-neutral damage change provided all else is equal, but in practice will be a slight nerf to high-end play since you'll get less benefit from your aligned cooldowns while making it significantly easier for others in the party to capitalize on it in anything but high-end play.
Because it's a slight nerf to high-end play, NIN hypothetically can be given a justified potency increase without breaking the class.
EDIT: Oh right, a final thing. Keep Ten-Chi-Jin as a 3-step mudra creator, but let it create some truly amazing 3-step mudra. It's already like DNC's standard step at this point, and I wouldn't care if it enabled 4-step mudras either. Just remove the clunky aspect of it (Needing to cast ninjutsu after each step) and make it some insanely strong wombo combo to compensate.