The fruit of Helheim (ヘルヘイムの果実 Heruheimu no Kajitsu) is the original form of the Lockseeds, that grow in the Helheim Forest. They normally look like fruit. However, if anyone wearing a Sengoku Driver picks them, they turn into Lockseeds. Anyone wearing a Sengoku Driver would not be tempted to eat them. In Kamen Rider × Kamen Rider Gaim & Wizard: The Fateful Sengoku Movie Battle, Kosuke Nitoh has been shown to not be tempted to eating them, due to wearing the Beast Driver.