User blog comment:Mckrongs/Monster Hunter Frontier Season Forward 3/@comment-5020152-20120416011342/@comment-969093-20120416012800

Gou is the name for HR100 Quests that feature Elder Dragons and Exclusive monsters. In order to participate in these quests you must clear HR100 SP Quests, which can only be taken on with SP Weapons.

SP Weapons are made with HR100 materials, though players can get 11 of them for free by inserting a certain code at the event tent. These weapons get an attack boost and +20% when used in a HR100 quest.

SP Quests give so called Gou Tickets. These are consumed upon posting a Gou Quest. You generally only use 1 ticket but Zamuza needs 2 and some special Gou events even take 5. Without these tickets, you can't post nor join these quests. So even when not posting it yourself, you must still have Gou Tickets in order to join them.

Gou quests give special monster-based Gou Tickets and unique materials to make Gou weapons. You get 1 proof per quest and need 10 to make the base form of any Gou melee weapon and 20 more to upgrade it (that makes 30). 20 proofs to make any Bowgun/Bow.

Gou melee weapons give a blue-illuminating health/stamina bar when both are at full levels. This grants ESP as long as no damage is taken or stamina consumed. Gou LBGs gain the super rapid fire ability and HBGs get the Gravios Beam.

Gou weapons generally cost 600,000 - 1.100.000z to make the just the base form and up to 2.500.000z to max.

Simply put, when farming for Gou stuff, you want to make the right choice. Otherwise, it's gonna cost ya. Big time.