Unlocked by

• Occam's Impaler
• Grizzlemouth's Impaler
• Mathilde's Impaler
• Verata's Impaler
• Tizlak's Impaler
• Pahua's Impaler
• Svaard's Impaler
• Laranthir's Impaler
• Yassith's Impaler
• Ossa's Impaler
• Ruka's Impaler
• Maklain's Impaler
• Thackeray's Skewer
• Zehtuka's Impaler
• The Twins' Impaler
• Nadijeh's Impaler
• Tixx's Impaler
• Giftbringer's Impaler
• Nerashi's Impaler
• Togo's Impaler