Her attacks are mainly related to the Phoenix Force itself , and is arguably the most powerful playable character in the game .
In addition to Jean Grey , the PlayStation Portable version of this game also includes the Dark Phoenix separately as an unlockable bonus character .
Dark Phoenix 's attacks are mainly related to the Phoenix Force itself , and is arguably the most powerful playable character in the game .
In addition to Jean Grey , the PlayStation Portable version of this game also includes the Dark Phoenix separately as an unlockable bonus character .