Eris felt the air blast hit her and stumbled a bit watching Vesper move, "got it" Eris was about to saw but it was drowned out by the sound of Xander's attack which she forgot to cover her ears for, so all she managed to do was give a thumbs up in response. After that she stood next to her brother and took a fighting stance, ice already forming on her arms in preperatio for the battle that would surely ensue.