Complex sentence: Her latest upgrade now allows her to transform her arms into a large sword and gun, though this will tear the sleeves of her clothes apart and has a tendancy of draining her magical "battery" rather quickly.
Split into simpler sentences: Her latest upgrade now allows her to transform her arms into a large sword and gun, though this will tear the sleeves of her clothes apart. And has a tendancy of draining her magical "battery" rather quickly.