Ah thanks, I missed a '[' in this code:
["invader_boss1","Achtung, Panzer!","Achtung, Panzer!",0,0,0,fac_kingdom_invaders,
[itm_heraldic_mail_with_surcoat, itm_bascinet_3, itm_black_greaves, itm_tab_shield_small_round_c, itm_military_cleaver_c],
def_attrib|str_200|level(90),wp(100),knows_common|knows_ironflesh_10,bandit_face1, bandit_face2],
["invader_boss1","Achtung, Panzer!","Achtung, Panzer!",0,0,0,fac_kingdom_invaders,
[itm_heraldic_mail_with_surcoat, itm_bascinet_3, itm_black_greaves, itm_tab_shield_small_round_c, itm_military_cleaver_c],
def_attrib|str_200|level(90),wp(100),knows_common|knows_ironflesh_10,bandit_face1, bandit_face2],