Stop Instant Transportation before It Happens
This is really hard. If Team Antagonistís uses a spell from scrying subschool to scout an area, and Team Protagonist doesnít know, only previously installed preventative measures stop the incoming teleport ambush.
The problem with the spell zone of respite [abjur] (Spell Compendium 244) is duration. While the spell prevents teleport effects from working within the area, even with the staff of extended zone of respite (20th) (45,000
Know How Instant Transportation Works
If you believe youíve been the victim of scrying, for Godís sakes, rearrange the furniture!
The teleport spell is a legacy spell. In first edition Advanced Dungeons and Dragons the magic-user employed the teleport spell for emergency escapes or transporting really good heavy swag. The first edition Advanced Dungeons and Dragons magic-user didnít try to figure out how to teleport into the kingís bedchamber, slit some royal throat, and teleport
Make Yourself Aware of Other Divination Spells
The universal counter to divinations is the Vecna-blooded template (Monster Manual 5 66-7), which unravels the creature from cosmic tapestry or something, and itís pretty awesome. Thereís nothing else in the game that humps divinations harder than the Vecna-blooded template.
A wand of extended misdirection [illus] (Playerís Handbook 254) (12th) (13,500 gp; 0 lbs.) moves all the creatureís auras from the affected creature to something
Stop the Spying before the Spying Starts
Although the creature canít do anything about it, if the creature has the feat Whispered Secrets (Races of Destiny 155), after heís the target of the spell but before his Spell Resistanceís checked and before he makes a saving throw, he knows someoneís making an attempt to observe him via a spell in the scrying subschool.
The scrying and greater scrying spells check for Spell Resistance, and, as Spell Resistance ďis like an Armor Class