Rystil also allowed the guy the Stygian mark that adds 2d6 cold dmg, which is only available to evil people of a certain blah blah to a neutral guy for extra cold damage, from the Fiendish Codex.
Swordsages are not overpowered, the specific combo Rystil manufactured with feats that shouldnt all be on one character, doing a modified damage type, is whats caused his particular swordsage to be better than normal. Other people reading this thread should know the Swordsage has Mark of Stygia(as a Lawful Neutral) and a boatload of other off the wall feats that cause this "Power spike".
Swordsages are not overpowered, the specific combo Rystil manufactured with feats that shouldnt all be on one character, doing a modified damage type, is whats caused his particular swordsage to be better than normal. Other people reading this thread should know the Swordsage has Mark of Stygia(as a Lawful Neutral) and a boatload of other off the wall feats that cause this "Power spike".