Curious (3.5e Flaw)
From D&D Wiki
Summary: You find it hard to resist inspecting something out of the ordinary.
Effect: Whenever you encounter something out of the ordinary, you must make a Will Save (DC 10 + 1/2 Character Level) in order to resist approaching the thing and inspecting it. if combat is likely or enemies are close the will save is negated until after combat, however the item must be inspected immediately afterward, without the need for a D20 check.
Benefit: 1 Bonus Feat.