Our next Optional Quest in Monster Hunter World Iceborne is the High-Rank quest, Infernal Monarchy. This sees us off to the Wildspire Wastes to hunt both a Lunastra and Teostra. This quest is unlocked once you've completed the Blazing Sun questline and the quest No Remorse, No Surrender.
Our next quest in Monster Hunter World Iceborne is the Special Assignment; No Remorse, No Surrender. This is the final quest in the chain that began with The Blazing Sun, and Pandora's Arena. This time we're off to the Elder's Recess to hunt both a Teostra and Lunastra together. This quest also rewards you with the powerful Temporal Mantle when completed.
Our next Special Assignment is the quest, The Blazing Sun. Special Assignments unlock additional content, in this case, a new Elder Dragon, Teostra. To unlock this quest you'll need to have completed the prior Special Assignment The Food Chain Dominator.
Our next Assignment Quest in Monster Hunter World is Teostra the Infernal, our next Elder Dragon showdown. Collect all of the tracks in the Wildspire Waste to unlock this Assignment Quest.