In item_templates.xml change line
Change
<item_template id="188052319" name="Event Dragon Lord's Wing Box" desc="1628147" name_desc="wrap_event_devaday_wing_01" level="1" mask="8318" category="NONE" armor_type="WING" max_stack_count="1000" item_type="NORMAL" quality="EPIC" price="5" race="PC_ALL" restrict="1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1" bonus_apply="INVENTORY" activate_target="STANDALONE" activate_count="1" equipment_type="ARMOR">
with
<item_template id="188052319" name="Event Dragon Lord's Wing Box" desc="1628147" name_desc="wrap_event_devaday_wing_01" level="1" mask="8264" category="NONE" max_stack_count="1000" item_type="NORMAL" quality="EPIC" price="5" race="PC_ALL" restrict="1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1" bonus_apply="INVENTORY" activate_target="STANDALONE" activate_count="1" equipment_type="NONE">