[Rendar]

If you use Titan Gale on an opponent in an FFA and a member from another team takes down the Titan Gale'd opponent, they do not gain the SWA boost.

Team 1 Titan Gales Team 2
Team 3 kills Team 2.
Team 3 does not get Titan Gale benefits.

[Neus]

"After doing so at least once, if the person with the status is an ally, it increases their Scaled Weapon Power by LV."

This is not a bug.