The skill Righteous Explosion (499836) can remove harmful effects from all party members in range. The problem is that this skill has a casting time of 3 seconds.
Since there are only a few harmful effect which have a long duration, it would make much more sense to have a casting time of 1 second.
Suggestion:
Lower the casting time of Righteous Explosion (499836) from 3 seconds to 1 second to make it useful for nowadays instances.
