Faction Search

You can now filter to only factions that can be raised or lowered by killing an NPC, and/or factions that are a primary faction on an npc

http://mqemulator.net/advsearch.php?view=faction

Spell Search

You can now filter to only spells that are on items and/or spells that only NPCs cast

http://mqemulator.net/advsearch.php?view=spell

Zone Search

You can filter for zones that have dropped items, foraged items, ground spawn items, fished items, and/or zones that have NPCs spawning

http://mqemulator.net/advsearch.php?view=zone