Creating a bond between two units (the animation)

[shadowcon]

I've seen this in dota, puck's ulti, I'm not asking to help me copy it, because I'm not trying to. I wanna know how to create a simple bond, like the healing wave but just going between those units and not disappear until the duration is out or I remove it with triggers, how to make it?

typo in the title

 

[Dinowc]

did you tried making a modified life/mana drain (with 0 values) and giving them to dummies?
you create those dummies at target point, create the "sphere" effect and order the dummies to use the spell on units matching blabla... so it will look like the sphere is using the spell

EDIT: Pharaoh's idea is better

 

[Pharaoh_]

Set Position1 = (Position of (Last Created unit))
Set UnitGroup1 = (Units in (Units within 640.00 of (Position1)))
Unit Group - Pick up every unit in UnitGroup1 and do (Actions)
 Loop - Actions
  Set Position2 = (Position of (Picked unit))
  Lightning - Create a Healing Wave Primary Lightning effect from source Position1 to target Position2
  Lightning - Change color of (Last created lightning effect) to (0.00, 1.00, 1.00) with 3.00 alpha
  Custom Script: call RemoveLocation (udg_Position1)
  Custom Script: call RemoveLocation (udg_Position2)
  Custom Script: call DestroyGroup (udg_UnitGroup1)

 

[shadowcon]

ty a lot

 

[Curo]

I think Flare made a system for lightning effects that actually follow the units, as opposed to just being tethered to 2 points.