power overwhelming bugged(warlock skill)

[Deer11w]

If you use Power Overwhelming while Infernal is summoned, it lose about 4k HP per second and die very quickly. health funnel (talent invested) to infernal is also seems not work well
Therefore, this skill cannot be used at present...

[Schwarzschild]

This should be posted in the Support forum. If this is true and still persists it needs attention asap.