Guild Wars Wiki:Projects/Unanswered questions/Game mechanicsQ
Q: What is the shortest time interval used by the game? What are the shortest time intervals used for skill activation and recharge times before rounding or truncation?
 Rubies and Sapphires
Q: Linsey Murdock confirmed that rubies and sapphires do not drop from any creature. Does a rule exist which enemy or species drops it or are there just a few 'chosen' ones which were picked more or less randomly?
Q: In particular, a theory among players states that every enemy who is able to drop them also drops at least one (other) rare crafting material and – in reverse – every enemy who drops any rare crafting material is also able to drop a ruby or a sapphire. Is this correct?
 Holy Staff mod: Critical hit -5%
Q: The Holy Staff offered by Saba Blackstone has the mod 'Critical hit -5%'. What does it effect?