Scales stone ladder, faster than sorin

As they pieced their way through the boulders, night was upon them. The moon rose and cast a pale light that turned every shadow deeply black. On a large outcropping of rock they came upon a guard tower of clear Eldrazi origin, tumbled and broken, with many of its blocks miraculously piled one upon the other in tall columns.

***

"Fly", Nissa whispered, and she started running to the tower. She heard footfalls following behind, but her mind was not on the others. She twisted her staff and drew her stem sword as she ran. She heard the clatter as Sorin drew his sword. She was the first to the tower's crumbled stone ladder, which she scaled in three bounds.

***

In the Teeth of Akoum, Chapter 17