Of course there's lightning. Aang hadn't particularly liked it, and getting nearly killed by Azula's lightning didn't improve the feeling. And, unlike firebending, he hadn't spent a lot of times coming to terms with that, because lightning was such an unusual skill in his world. Unlike this one.

"Only a few more," he said. The remaining Buels were starting to be affected by the status effects Aang was dancing up. That and a few staff blows discouraged them from getting too close. Aang couldn't take them out, and he didn't really want to, but he could at least keep himself and his companions safe.