This very small mod is for 70 warriors with the Intervene skill who use the default unit frames.

Intervene is a skill that acts like Intercept/Charge except towards party members instead of enemies. This mod adds an icon to the lower left of party members that's lit up when they're in range and dark when they're out of range.

You can click the icon to attempt an Intervene on that party member.

It doesn't check if you have 10 rage, if you're in the defensive stance, if the skill is off cooldown, etc. It lights up if they're in range. It goes dark if they're out of range.

I'm using this for my own personal use and have no ambitions to make it an Intervene Suite to handle all the unit frame mods, create key bindings, consider all the conditions that a person would want to use the skill or anything more than what it does now. In range = lighs up, out of range = dark is the entire planned scope of this mod. If anyone wants to add stuff you're more than welcome to.

The mod activates if the player logging in is a level 70 warrior. When you ding 70 for the first time, the icons won't appear until next login/reload.