> In Black 2 and White 2, Ghetsis appears to have become somewhat
> insane, going so far as to command Kyurem to impale the player with
> icicles at one point (although failing due to N's intervention). Also
> he is visibly mentally unstable, bursting into fits of rage that
> prompt him to shout and to aggressively slam his cane to the ground. A
> Shadow Triad member points out Ghetsis loses control, which further
> evidences this behaviour to be recurrent.
Yes, the cane will stay there for the rest of your BW2 life.
Source: http://pokemon.wikia.com/wiki/Ghetsis
And in the picture on the right, that is the cane close up.
