Within the corporate office or corporate center of a company, some companies have a Chairman and Chief Executive Officer (CEO) as the top-ranking executive, while the number two is the President and Chief Operating Officer (COO); other companies have a President and CEO but no official deputy.
The power of His resurrection is the highest realm of power, and it is accessible by knowledge. Philippians 3:10 says: That I may know him, and the power of his resurrection, and the fellowship of his sufferings, being made conformable unto his death. Recognize that power is in degrees and the anointing is in levels.
In the The Return of the King video game, the spell (from weak to full power) is known as Fog of War, Wrath of Anor, and Flame of Udun. This would imply that Gandalf could use Shadow powers as well as Light powers, though this is unconfirmed and at any case highly unlikely.