http://plurpage.com/everquest/don.php
Use this tool to check the Dragons of Norrath merchants. They might have higher level requirements so ...
You can also use this tool to find LDoN augs.
http://www.cardplace.com/eq/ldon/list.cgi
I would personally go for a Life Tap type if you solo mainly.
Straight damage type if you group mainly.
As an SK, I doubt you have taunt problems so I would ignore Enraging Blow types.
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After 16 years, I'm not listing every friggin character.