LOL Thats funny, I had just finished adding the soulbinder quests when I read your post :P There are 26 soulbinders across Norrath Here are their names and ids if you need them:
mysql> select id,name from npc_types where name like 'soulbinder%';
+--------+-----------------------------+
| id | name |
+--------+-----------------------------+
| 2453 | Soulbinder_Toglonoit |
| 5753 | Soulbinder_Gendal |
| 9958 | Soulbinder_Shakar |
| 33494 | Soulbinder_Altira_Mamar |
| 38557 | Soulbinder_Tardon |
| 37364 | Soulbinder_Elendalira |
| 39946 | Soulbinder_Grunson |
| 50434 | Soulbinder_Oakstout |
| 61579 | Soulbinder_Snog |
| 64995 | Soulbinder_Jarle |
| 71005 | Soulbinder_Cubnitskin |
| 78654 | Soulbinder_Torvald |
| 98163 | Soulbinder_Nola_Z`Ret |
| 103745 | Soulbinder_Trurg |
| 103746 | Soulbinder_Trurg |
| 104863 | Soulbinder_Kardin |
| 106197 | Soulbinder_Tomas |
| 120031 | Soulbinder_Novalu |
| 124489 | Soulbinder_Hoggle_Grubbyto |
| 124490 | Soulbinder_Hoggle_Grubbytoe |
| 131720 | Soulbinder_Nansin |
| 131721 | Soulbinder_Nansin |
| 131722 | Soulbinder_Nansin |
| 133680 | Soulbinder_Ghula |
| 113323 | Soulbinder_Jera |
| 116580 | Soulbinder_Derith |
+--------+-----------------------------+
26 rows in set (0.09 sec)
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