A lokacin da aka fara kai hare-haren, sojojin Brennus sun sha wahala sosai. Saboda haka ya yanke shawarar aika da babbar runduna a karkashin Acichorius a kan Aetolia. Ƙungiyar Aetolian, kamar yadda Brennus ya yi fatan, ya bar Thermopylae don kare gidajensu. Aetolians sun shiga cikin kariya a cikin tsofaffi mata da kuma shiga cikin yakin. Ganin cewa takobin Gallic yana da haɗari ne kawai a kusa da kusa, Aetolians sun yi amfani da dabarun skirmishing. A cewar Pausanias, kawai rabin adadin da aka saita don Aetolia. Daga bisani, Brennus ya dawo a hanyar Thermopylae ta hanyar teku, amma ya sami babbar hasara. Tambaya: Wanene ya sha wahala?
Sojojin Brennus