| Name | Class | Race | Type | Required Level |
| Adamantite Defender | Monster | Iron Defender | Construct | 9 |
| Ancient Iron Defender | Monster | Iron Defender | Construct | 12 |
| Arach's Hound | Monster | Iron Defender | Construct | 0 |
| Greater Iron Defender | Monster | Iron Defender | Construct | 3 |
| Iron Defender | Monster | Iron Defender | Construct | 1 |
| Ironspike | Feature Monster | Iron Defender | Construct | 1 |
| Mithril Defender | Monster | Iron Defender | Construct | 6 |
| Razor Cat | Monster | Iron Defender | Living Construct | 13 |
| Reinforced Iron Defender | Monster | Iron Defender | Construct | 3 |
| Rusty Iron Defender | Monster | Iron Defender | Construct | 0.5 |
| Shriketalon | Feature Monster | Iron Defender | Construct | 1 |
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