@cheebee, halo3 was the closing act to the human,covenant,flood fight. if u watched the ending credits roll, after they were done u see master chief and cortana talking before he goes back to sleep and he tells her to wake him if he is needed again. and if the back ground of the ship u see another ring.
GAMERTAG IS ANIMEHEAVEN X23
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ALL-TIME FAVORITE JRPG IS : LOST ODYSSEY