Incoming!: How Can a Creature Get Out of Its Space as an Immediate Action?

Question

The Situation

The lone creature needs to occupy a different space--probably only once--, but it needs to be in that different space now, while it would normally be flat-footed, after an attack's made against it but before that attack's resolved.

The creature needs 2 things: it needs 1) to avoid being flat-footed 2) to occupy a different space before an attack resolves (probably via an immediate action or an off-turn non-action). Ideally, a cheap, slotless item exists for each but 1-3 feats or expensive items are acceptable alternatives.

Binds

• More than a 5-ft. step is preferred, but 5-ft. steps are still awesome, thanks. Such options must note that the 5-ft. step is explicitly an extra 5-ft. step, though. Many feats don't note this (e.g. Evasive Reflexes (ToB 30), Orien Battle Stride (Dra 143), Pursue (ECS 58)) making it unclear if their mentioned 5-ft. steps are in addition to the single 5-ft. step the creature can make each round (PH 144). I'd prefer the handful of feats that grant explicitly extra 5-ft. steps (e.g. Sidestep (MH 28)) to avoid discussions of text over intent. A way to activate those effects off-turn remains necessary.
• Class levels are unacceptable unless the class level’s benefits grant equivalent or better bonuses than taking 2-4 additional monstrous Hit Dice.
• No custom magic items. Both spell completion and trigger items are fine.
• The spell contingency [evoc] (PH 213) and the feat Craft Contingent Spell (CAr 77) are unavailable.
• Sources limited to Wizards of the Coast material.

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Flat-footed Prevention

Here's what I found.

• The 3rd-level meditation Domain spell that art thou [div] (“The Mahasarpa Campaign Setting: A Campaign Option Web Enhancement for Oriental Adventures” 8 here) via wand (3rd-level spell at caster level 5) (112 gp 5 sp per charge), via wand and affected by the feat Extend Spell (PH 94) (3rd-level spell but 4th-level equivalent at caster level 7) (420 gp per charge), via spellcasting (PH 129) affected by the feat Persistent Spell (CAr 81) (3rd-level spell but 9th-level equivalent at caster level 17) (1,530 gp) and Shalantha's delicate disk [conj] (LE 33-4) (6th-level spell at caster level 11) (860 gp) (unsure if a persistent that art thou fits in a disk though), or via staff affected by the feat Persistent Spell (CAr 81) (3rd-level spell but 9th-level equivalent at caster level 17) (2,295 gp per charge +300 gp per masterwork quarterstaff; 4 lbs.).
• The feat Brand of the Nine Hells (Dispater) (FC2 81).
• The 8th-level time Domain et. al. spell foresight [div] (PH 233) via staff (8th-level spell at caster level 15) (1,800 gp per charge +300 gp per masterwork quarterstaff; 4 lbs.).

Immediate Action Space-exiting

Here's what I found.

• The magic item shadow cloak (DrU 101) (5,500; 1 lb.).
• The conjurer specialist wizard’s supernatural ability abrupt jaunt (PH2 70).

Answer 1

The Greaves of Aundair (Forge of War, which is an Eberron book) let you use an immediate action to "immediately take a Move action", but you're dazed after you do it. I can't think of anything else that you haven't already listed short of using the custom item creation rules to try and build something special for this purpose.

Moving as an immediate action being so rare is one of the reasons Abrupt Jaunt is crazy awesome.

Answer 2

Ultimate Protection Against Surprises

The dire tortoise (Sandstorm) gets the amazing ability to always act in the surprise round (even if there wouldn’t otherwise be a surprise round!); if you polymorph into one (it’s an Ex Special Attack, which polymorph explicitly grants; minimum 14th CL), you basically always get to act, period, yes, even then. Polymorph any object twice can get you the ability effectively permanently, unless dispelled (and you’d get to act before any attempt to do so!). Look into a wand of polymorph or a couple of scrolls of polymorph any object.

This flat-out gives you a full turn in which to do whatever you like about the impending attack. You can greater teleport or just walk, whatever.

Another Immediate-Action Movement Mode

The flicker mystery from Tome of Magic allows you to teleport as an immediate action for the next rounds/level; CL 10 will get you the minute you require. As a 3rd-level mystery, it can get stuck in a wand. It does say that if it is used in response to an attack, that attack still has a 50% chance of hitting you, so Abrupt Jaunt is far better in every way.

Answer 3

For the movement part, just use the Celerity spell from PHB2:

When you cast this spell, you can immediately take a standard action, 
as if you had readied an action. You can even interrupt another 
creature's turn when you cast this spell. However, after you take the 
standard action granted by this spell, you are dazed until the end of 
your next turn.

Maximum cheese in combination with stuff that gives you immunity to daze.

Answer 4

I know the question specifies 3.5 and "Class levels are unacceptable", but for posterity; someone may find this answer useful...

In Pathfinder, the Gunslinger class from Ultimate Combat gets an ability at level 1 called Gunslinger's Dodge:

Gunslinger's Dodge (Ex): At 1st level, the gunslinger gains an uncanny knack for getting out of the way of ranged attacks. When a ranged attack is made against the gunslinger, she can spend 1 grit point to move 5 feet as an immediate action; doing so grants the gunslinger a +2 bonus to AC against the triggering attack. This movement is not a 5-foot step, and provokes attacks of opportunity. Alternatively, the gunslinger can drop prone to gain a +4 bonus to AC against the triggering attack. The gunslinger can only perform this deed while wearing medium or light armor, and while carrying no more than a light load.

http://paizo.com/pathfinderRPG/prd/ultimateCombat/classes/gunslinger.html