If you spend 4 additional power points, this power can also affect an aberration, dragon, elemental, or outsider in addition to the creature types mentioned above.
For every 2 additional power points you spend, this power can affect an additional target. Any additional target cannot be more than 15 feet from another target of the power.
If you spend 1 additional power point, this power’s duration is 1 hour rather than concentration. If you spend 2 additional power points, this power’s duration is 1 day rather than concentration. If you spend 4 additional power points, this power’s duration is 1 day per manifester level rather than concentration.
In addition, for every 2 additional power points you spend to achieve any of these effects, this power’s save DC increases by 1.