Tower Shield Tower Shield (crystals: 103 C) NPC Name Level - Type Quantity Chance Drop Dread Avenger Kraven 44 Passive 1 5.43% Iron Giant Totem 45 Passive 1 12.34% Archon Suscepter 45 Passive 1 5.46% Headless Knight 50 Aggressive 1 1 / 20,408 Purgatory Invader Food 50 Passive 1 1 / 20,833 Orfen 50 Aggressive 1-2 10% Sanhidro 52 Passive 1 1 / 21,739 Zombie Captain's Spiritual Body 52 Aggressive 1 1 / 5,405 Spoil