The Gandalfr is the Shield of God, meant to protect their summoner from harm. Through faith and blade, here was a man that protected the weak from all that would do them harm, and his life ended with no regrets. Though Louise did not mean to summon a Guardian Knight, there were few greater she could have asked for.

"The 50 Year War" has passed, but another war is on the brink of horizon. To those that know only of the battle for regents, it will be known as "The War of the Lions". For the selective few Summoners, their comrades, and the Zodiac Braves... it will be known as "The Holy Grail War". (DISCONTINUED)

The bond the two of them shared would never be broken; not by time, not by distance, not by death. Their bond was beyond such things. So when he needed her, as she had needed him so long ago, it was inevitable that she would come willingly, nay, eagerly come forth to whatever aide he needed. Even if he didn't realize he was calling at the time. FZ/HoS crossover