In 2016 Silver Link Strike the Blood surprised fans with the second season of the series and that too was an OVA (Orignal Video Animation). The first anime season of Strike the Blood was released in October 2013.
Now after a gap of a year, at Dengeki Game Festival 2018 Silver Link has affirmed that a third season is in the works. According to the announcement, the third season will cover up to Volume 17 “The Holy War arc” of the light novel series of writer Gakuto Mikumo. Till now 18 volumes have been released in the ongoing light novel series. The first light novel came in 2011.