run.createElement(
                'h3', { content: s.legend_title[index] }
              );
              sectionHeader.addEventListener('click', e => {
                this.toggleLegendSection(s.name);
              });

              let seriesSelector = Faerun.createElement(
                'select', 
                { 
                  id: `select-${s.name}`, 
                  classes: 'series-selector',
                  'data-name': s.name,
                  hidden: s.series_title.length < 2,
     