Quote:
End Game+
Based on DMM content, eventually, clearing contents at highest difficulty will like require elemental advantage. For example, completing Accessory Quest 5 on Light is still possible with a perfect Light Team, but your life is much easier using a decently picked Dark Team. Since the best way to farm high end Light gear is to use a Dark Team, and best way to farm high end Dark gear is to use a Light Team. In end game+, player is encouraged to have 2 teams.
I don't think this is quite right. Consider the hardest solo content available in the English and JP version: Accessory Quests, Guild Orders, Tower events. Of these, as far as I know only AQ gives you element-specific rewards. But AQ4 and AQ5 can be cleared with optimized same-element teams (caveat: Miracle tickets likely required). Guild Orders and Tower events give you rewards that can be used on any element. Therefore, if you main Light, having a Dark team is not necessarily more useful than, say, having a Fire team.