Due to his high level (level 78 at the time), Kirito’s "Battle Healing" skill regenerates his health faster than the low-level guild members can damage him.
Kirito accompanies Silica not just to help, but because the owner of the familiar must be present for the item to appear. Sword Art Online (Dub) Episode 4
Silica is an idolized "Beast Tamer" who is somewhat overconfident due to the protection of her party. After a fallout with her group, she wanders into a dangerous forest and is ambushed by monsters. Her feathered dragon familiar, , sacrifices itself to save her. Key Plot Points Due to his high level (level 78 at