[Curmudgeon]

Originally Posted by Airanath

This is Slice McDicey, a rogue 11/Swordsage 1/rogue 8.
First Level: Mage Slayer

Originally Posted by Mage Slayer

Prerequisite: Spellcraft 2 ranks, base attack bonus +3.

BAB +3 at 1st level?

Originally Posted by Airanath

12th Level:Shadow Blade Technique

Also not legal.

Originally Posted by Shadow Blade

Prerequisite: One Shadow Hand stance.

Step 7. Feats must come before step 9. Class Features in the Level Advancement sequence (see Player's Handbook on pages 58-59), so you can't satisfy the feat prerequisite.

Originally Posted by Airanath

Stances Known: Assassin Stance (Swordsage level was delayed to get this stance due to non initiator's class counting as half initiator levels)

Regardless of initiator level, you follow the rule for what stance you get at Swordsage 1:

Originally Posted by Tome of Battle, page 16

Stances Known: You begin play with knowledge of one 1st-level stance from any discipline open to you.

Originally Posted by Airanath

First and foremost: Collar of Continuous Umbral Metamorphosis (22k) - Hide in Plain Sight, Darkvision, minor Resistance to Cold, Superior Low Light Vision, a speed bonus and a racial bonus to Hide and Move Silently? And this thing was in the bargain bin because?

That Dark Creature template's Hide in Plain Sight doesn't overcome the need for cover/concealment in order to use the Hide skill, and you only can guarantee cover/concealment for 1 round per combat with Cloak of Deception and only if you've got a swift action available ─ though that still won't work in daylight.

Originally Posted by Airanath

Scabbard of Greater Magic Weapon (2): Once per day, when drawing your weapon from this, you can activate the effect of the spell Greater Magic Weapon(CL 20) upon it.

Bogus nonexistent custom magic item.

Originally Posted by Airanath

Dorje of Offensive Precognition At 17th Manifester level (+6 insight bonus to Attack)- 114,750

Originally Posted by Expanded Psionics Handbook, page 168

The manifester level of a dorje cannot be more than five higher than the minimum manifester level to use the power it contains.

Originally Posted by Airanath

Now kind sir who loves rogues... I beg of you...

There are just so many rules violations that I'm not going to bother with any more of this.