The Temperature of the Heart

The Temperature of the Heart

Available on Crunchyroll
S1 E7: At the 48th floor, Asuna visits her friend, Lisbeth in her blacksmith shop before going off adventuring. The next day, Kirito arrives at Liz's shop in search of a custom-made sword to buy. Much to Lisbeth's shock, Kirito's sword, Elucidator, irreparably breaks her strongest sword. Lisbeth persuades Kirito to let her accompany him to the Western Mountain on the 55th floor to get a rare mineral from a dragon that eats crystals, so that she can use the mineral to make a stronger sword.