User blog comment:Water Dragon Slayer/DREAM BATTLE CHRONICLES: FIRST MATCH!/@comment-15267891-20130718235553/@comment-7418318-20130719001014

She'd still need to get the key somehow before she can summon the accompanying spirit. Just having more magic power available won't make the key appear out of nowhere.

As for the nature of second origin, we had a lengthly debate about that already in this blod. Just scroll down a bit to the comment beginning with [Lucy activates 2nd Origin] and read from there.