Reasonable buff to war

[Tex_Mex]

Make storm eye duration to 40 seconds this means one more storm eye.

This change really doesn't matter much, the difference in 30s and 40s is pretty minimal and it would have very little effect on damage output anyways. It would just get you an additional 10 beast gauge every 40s, which is pretty minimal. I think a better QoL change would be to make mythril tempest grant storm's eye and add 15s to the duration (up to a max of 30s). This would be a much more needed QoL change IMO.

Change vengeance to 60 potency.

I really don't like that vengeance even returns damage to attackers in the first place. One of the main reasons for all of the tank homogenization in 5.0 was to make all tanks equally good as OT or MT. Having your damage output tied to a defensive skill defeats this purpose because a WAR now has to be main tank in order to do max DPS with Vengeance as is. This is why TBN (for dark knight) is a damage neutral skill. No tank needs to have their damage output tied to whether or not they are taking damage.

Change Inner chaos to 930 or 940.

This is fine. IMO, WAR does need a small (I said small!) buff to damage output. This is really only a 15-30 potency every 30 seconds buff, which is pretty negligible IMO. This would have a very small impact on DPS and is probably about right for what WAR needs.

Make onslaught 200 or lower the cooldown and the gauge cost.

IMO, they should remove the beast gauge cost entirely, and just copy the other 3 tank gap closers (the other 3 are all the same anyways, so why not just make them all identical). If the beast gauge cost was removed, then WAR could just use the skill on CD for a slight damage increase (same all all other 3 tanks) instead of a slight damage decrease and just save them if they know a mechanic will require them in the near future. WAR is my last tank to take all the way to 80 (i'm at 78 now), and the beast gauge tied to onslaught feels a bit odd to me.