Scouting rider who detects Grimmel's approaching army and alerts Hiccup to the imminent threat.
Valka provides Hiccup with crucial battlefield intelligence.
Valka notices Grimmel's approaching army during a scouting patrol and reports the threat back to Hiccup.
Valka and Grimmel stand on opposing sides of the campaign over dragon safety.
Valka detects Grimmel's army, while Grimmel leads the forces threatening the Berkians and their dragons.