Walter served as the Warrior within the Seeker party Blue Beyond, the primary physical combatant relying on instinct and raw power over tactics. His imposing physique—tall and muscular with short black hair and black eyes—was typically armored in practical heavy plate combining blue, gray, and purple tones, wielding a large battle-axe. Key abilities included Battle Axe Mastery for devastating strikes, Deadly Drive to amplify damage, and Rampage, triggering heightened aggression.

Relationships within Blue Beyond were complex. Walter respected leader Noel Stollen's strategic intellect but chafed at his detached leadership, feeling overshadowed; this tension flared during missions when Walter confronted Noel about issuing orders from safety. He harbored deep, unrequited romantic feelings for Tanya Clark, remaining fiercely protective despite her involvement with Lloyd. This loyalty magnified his devastation when Tanya and Lloyd jointly betrayed the party, stealing funds and fleeing. Though Walter joined Noel's pursuit, lingering affection for Tanya caused hesitation, preventing decisive action against her—a stark contrast to Noel's uncompromising stance.

The betrayal proved pivotal. Witnessing Noel sell Lloyd and Tanya into slavery as retribution finalized Walter's disillusionment. Concluding a Seeker's path was untenable, he resigned from both Blue Beyond and the profession. His departure from Noel, while relatively amicable, was marked by visible emotional distress; Walter left tearfully clutching a bottle of alcohol, embodying shattered loyalty and profound exhaustion.