[Hellstrom]

Blackguard forces a person to distribute ability scores oddly to really shine(high charisma fighter type)

I totally agree, but so does Paladin and people play those. But a first level Paladin is a level 1 character. A 1st level Blackguard is a level 7 character. That's quite a few levels to wade through before that CHA bonus has much of an effect on anything except the ladies. And you've only got 10 possible levels of BG vs 20 of Paladin.

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The more I think about it the more I think BG should just be an evil paladin with some cool evil feats. And a special snowflake bonus :D