List of hero challenges in Tangled Depths

Hero challenge	Level	Location	Required Mastery
Ancient Power Core	80	Decayed Hive	None
Chak Hatchery	80	Chak Stronghold	Nuhoch Wallows,   Itzel Poison Lore
Egg Clutch	80	Ogre Lane	None
Gilded River	80	Tangled Descent	Updraft Use
Guano-Incubated Spider Eggs	80	Deeproot Sink	Updraft Use
Inquisitor's Campsite	80	Undergrowth Connector	None
Jellyfish Grotto	80	Deeproot Sink	Exalted Markings
Mushroom Spore Cloud	80	Rata Novus Lane	Glider Basics, or   Bouncing Mushrooms
Newborn Mushrooms	80	Rata Novus Lane	Glider Basics
Nightthistle Bloom	80	Dragon's Passage	Updraft Use
Troll Runestone	80	Tangled Descent	None

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Lists of hero challenges

Ascalon

Blazeridge Steppes • Diessa Plateau • Fields of Ruin • Fireheart Rise • Iron Marches • Plains of Ashford

Cantha

Seitung Province • New Kaineng City • The Echovald Wilds • Dragon's End

Crystal Desert

Crystal Oasis • Desert Highlands • Elon Riverlands • The Desolation • Domain of Vabbi

Heart of Maguuma

Verdant Brink • Auric Basin • Tangled Depths • Dragon's Stand

Kryta

Bloodtide Coast • Gendarran Fields • Harathi Hinterlands • Kessex Hills • Queensdale

Maguuma Jungle

Brisban Wildlands • Caledon Forest • Metrica Province • Mount Maelstrom • Sparkfly Fen

Maguuma Wastes

Dry Top • The Silverwastes

Ruins of Orr

Cursed Shore • Malchor's Leap • Straits of Devastation

Shiverpeak Mountains

Dredgehaunt Cliffs • Frostgorge Sound • Lornar's Pass • Snowden Drifts • Timberline Falls • Wayfarer Foothills

World vs World

Eternal Battlegrounds • Blue Borderlands • Green Borderlands • Red Borderlands