To rank up from HR1 to HR2, you must complete the following 4-star Gathering Hall Guild quests:

• The Land Shark
• Trouble in the Swamp
• Jungle Menace
• Attack of the Yian Kut-Ku
• Catch a Yian Kut-Ku
• Catch a Gypceros

After you have completed the above quests, an Emergency Quest (Four Horns) will appear. Clear it for HR2 rank. To rank up from HR2 to HR3, you must complete the following 5-star Gathering Hall Guild quests:

• Basarios: Unseen Peril
• Wyvern in the Darkness
• Get me a live Khezu!
• The Desert Plesioth
• Water Wyvern in the Jungle
• The Runaway Diablos
• The Fearsome Gravios
• A Troublesome Pair

After you have completed the above quests, an Emergency Quest (Giant Dragon Invasion) will appear. Clear it for HR3 rank. To rank up from HR3 to HR4, you must complete the following 6-star Gathering Hall Guild quests:

• Attack of the Yian Kut-Ku
• Trapped by Yian Kut-Ku
• Trouble in the Swamp
• The Poison Siege
• The Two Sand Shadows

After you have completed the above quests, an Emergency Quest (Thunderous Duo) will appear. Clear it for HR4 rank. To rank up from HR4 to HR5, you must complete the following 7-star Gathering Hall Guild quests:

• The Shadow in the Cave
• Basarios: Invisible Terror
• Two Rock Wyverns
• The Land and the Sky

After you have completed the above quests, an Emergency Quest (Pink & Azure) will appear. Clear it for HR5 rank.

To unlock the normal Fatalis quest, you must complete the following 8-star Gathering Hall Guild quests:

• Queen of the Jungle (Gold)
• Slay the Rathalos (Silver)
• Water Wyvern in the Jungle (Green)
• The Runaway Diablos
• The Runaway Diablos (Black)
• Volcanic Valor
• Wyverns of Land and Sky (Gold & Silver)

After you have completed the above quests, an Emergency Quest (Giant Dragon Invasion) will appear. Clear it to unlock Legendary Black Dragon mission. Clear that to unlock Plate of Calamity, Rage of Yian Garuga, and Thunder & Lightning.