Expert Collector of Water Vipers Expert Collector > Page: 3 Acquiring Req.: Collect at least 50 Water Vipers. Reward: When collecting Water Vipers, the Collectable Item is doubled. Water Viper Lv 6 Legendary Water Viper Hunter Natural Enemy (1-10) > Page: 6 Acquiring Req.: Kill at least 14 Water Vipers. (Water Viper's Natural Enemy Title is required.) Reward: Killing Water Vipers grants you bonus XP. Water Viper Lv 6 Water Viper's Natural Enemy Natural Enemy (1-10) > Page: 6 Acquiring Req.: Kill at least 6 Water Vipers. Reward: Killing Water Vipers grants you bonus XP. Water Viper Lv 6