During the Blackest Night event, Black Hand reveals that the Spectre must be moved out of the way in order for the universe to be at peace.
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Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition;
2 Thessalonians 2:7
For the secret power of lawlessness is already at work; but the one who now holds it back will continue to do so till he is taken out of the way.