Expert Collector of Rust Stormers Expert Collector > Page: 22 Acquiring Req.: Collect at least 50 Rust Stormers. Reward: When collecting Rust Stormers, the Collectable Item is doubled. Rust Stormer Lv 67 Legendary Rust Stormer Hunter Natural Enemy (61-70) > Page: 4 Acquiring Req.: Kill at least 539 Rust Stormers. (Rust Stormer's Natural Enemy Title is required.) Reward: Killing Rust Stormers grants you bonus XP. Rust Stormer Lv 67 Rust Stormer's Natural Enemy Natural Enemy (61-70) > Page: 4 Acquiring Req.: Kill at least 231 Rust Stormers. Reward: Killing Rust Stormers grants you bonus XP. Rust Stormer Lv 67