Tresendar Manor was one of the largest buildings in Phandalin. During the 10th century DR, it was inhabited by the Tresendar family who perished in the wars to defend Wave Echo CavesUnfortunately, these battles were fought at a grave cost. In the battle Alalalix Tresendar, a powerful wizard divided himself into two parts (Ixal and Laxi), a Nothic and a Spectator and so, defended the Forge of Spells.
When Ixal found a worth knight, he passed the sword Talonand the ownership of the manner Ryker Lightbringer.
This story is told, in part, by Zaila Fanter who was there in her poetical recollections titled the Lost Mines of Phandelver.