Following his successful surgery, the band then supported Iron Maiden on their Legacy of The Best World Tour from May to August.
On August 30, 2017, the band announced on their Instagram page that they were in the process of demoing material for their upcoming eighth studio album.
In March of 2017, the band toured Australia / New Zealand in celebration of Alive or Just Breathing 15th anniversary playing it in its entirety.
Following this Killswitch Engage embarked on an extensive North American co headlining tour with Anthrax in the Spring dubbed the “Killthrax Tour.”
On November 25, 2016, the band released a Blu-ray/CD called Beyond The Flames: Home Video Vol. 2 .
On September 27, 2016, Leach revealed on his Instagram page that the band would be releasing a documentary compiled of live footage since 2012.
In August and September of 2016 Killswitch Engage toured North America alongside Volbeat .
In Late 2016, the band supported Bullet for My Valentine on a European tour.
On December 16, 2015, it was revealed that the band’s upcoming seventh album, released on March 11, 2016, would be titled Incarnate , with a tour being took part in March of that year with Memphis May Fire and 36 Crazyfists as supporters.
On December 10, 2015, the band premiered a new song entitled “Strength of the Mind” on Revolver .