Kirito and Leafa have finally reached Central Arun, the largest city in Alfheim by the foot of the World Tree. Kirito is determined to face the dangers of the Grand Quest to rescue Asuna. With the support of the Sylphs and the Cat Sidhes, will Kirito save Asuna in time or will he be crushed by Oberon's evil plans?!
Sword Art Online Vol. 4 Fairy Dance Part 2 (Eps 20-25)
The Truth of Alfheim