The Heart of Darkness
ExperiencedMembersMediumOSRS TCG The Heart of Darkness — Old School RuneScape quest card mapping
Start: talk to Prince Itzla Arkan.
Uncover the secrets of a mysterious cult and unlock a new dungeon.
The Heart of Darkness is a members Old School RuneScape quest rated Experienced. The OSRS TCG The Heart of Darkness card list covers 5 of the items and monsters involved, including Prince Itzla Arkan, Amoxliatl and Emissary Brawler. This page pairs the quest with those cards and with the open player trades for them; the OSRS Wiki remains the authority on requirements and the walkthrough itself.
Full quest guide on the OSRS Wiki →Beta: quest cards are matched to the best of our current knowledge and may include some mismatches — we're still working through the data. If something doesn't look right, please submit feedback.
The quest and minigame card relationships on this page are maintained by OSRS Card Exchange. Whether a related item or monster currently appears as a card, and its displayed OSRS TCG rarity, are legacy compatibility fields derived from the referenced OSRS TCG catalogue snapshot. OSRS Card Exchange is independently operated and is not affiliated with or endorsed by OSRS TCG or its developers. View OSRS TCG attribution and licence information.
Required items & monsters
Items you need to bring and the monsters you'll fight, paired with their OSRS TCG cards. See the wiki for the full requirement list.
Walkthrough overview
A brief summary of the quest, noting where each card is used. The OSRS Wiki has the full, authoritative walkthrough.
- 1
Continue from Twilight's Promise at the Teomat and speak to Prince Itzla, who plans to infiltrate the Twilight Emissaries. Travel to the pub in the Quetzacalli Gorge to meet his trusted contact.
- 2
Make your way to the Tower of Ascension, speak to the recruits Nova, Sergius, Felius and Caritta, then return to Itzla to learn about the Augur and Mokhaiotl before the trials begin.
- 3
First trial: pickpocket an Emissary Ascended for a tower key, solve the book, poem and arrow-code chests to gather the scraps of paper.
- 4
Second trial: survive four waves of Emissary Brawlers and Emissary Conjurers, healing Prince Itzla with bandages from the medical boxes.
- 5
Third trial: question Tenoch, Silia, Adrius and Eleuia and accuse the traitor, who alone mentions Mictl.
- 6
Fourth trial: defeat Prince Itzla, praying against his melee and dodging his AoE, then speak to Janus to pass the trials.
- 7
Wear the Twilight Emissary Robes to reach the Twilight Temple, then open the passage to the Ruins of Tapoyauik and solve the Icons Puzzle using the mural word-element pairs.
- 8
Enter the fortress door and defeat Amoxliatl, the frost nagua guardian, to complete the quest.
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OSRS TCG The Heart of Darkness — frequently asked
- Which OSRS TCG cards are linked to The Heart of Darkness?
- 5 catalogue cards map to The Heart of Darkness: Prince Itzla Arkan, Coins, Emissary Brawler, Emissary Conjurer and Amoxliatl. They are the quest's items and the monsters you fight that exist as cards in the Old School RuneScape TCG. The mapping is maintained by OSRS Card Exchange; whether something is a card, and its rarity, come from the OSRS TCG catalogue.
- Is The Heart of Darkness members only?
- Yes, The Heart of Darkness is a members quest. It is rated Experienced.
- What is the rarest card from The Heart of Darkness?
- Prince Itzla Arkan at Epic, which packs land on about 8% of the time. Rarity comes from the card's OSRS TCG score, not from the quest.
- How do I get the OSRS TCG The Heart of Darkness cards?
- Pull them from packs in the OSRS TCG RuneLite plugin, or trade for them. Open exchanges for this quest's cards are listed further down this page, and the trade itself happens in the plugin's own Trade window in game.
- Does this page tell me how to complete The Heart of Darkness?
- It gives a brief walkthrough overview and maps the quest to its OSRS TCG cards — the items and monsters involved, and who is trading them. For the complete requirements, detailed steps and rewards, the OSRS Wiki link on this page is the authority.
Related cards
Cards that come up around The Heart of Darkness but that you don't actually need for it — NPCs mentioned in passing, scenery, or items suggested only for convenience.
Monster • Kourend
The Sun Queen of Varlamore.
Itzla's mother; appears in a story cutscene during the infiltration, not fought or brought.
Monster • Varlamore
A highly experienced member of the Twilight Emissaries.
Pickpocketed for a tower key in the first trial, not a required card or a combat requirement.
Monster • Varlamore
He looks important.
Named in the plot as a mortal form of Ralos; not fought during the quest.
Monster
Brittle, cold and shimmering with frost magic.
Spawns from urns in the Icons Puzzle and is avoided rather than a required fight.
Monster
No one likes crabs...
Dungeon scenery in the Ruins of Tapoyauik, not a quest requirement.
Resource • Consumable
Prayer restore potion.
Recommended combat supply, not an item the quest requires you to bring.
Resource • Consumable
super combat potion.
Recommended combat supply for the boss fights, not a requirement.
Resource
A sack of quetzal feed.
Incidental resource linked from the trials section, not brought or used as a requirement.
Resource
A well carved limestone brick.
Incidental resource linked in passing, not a quest requirement.
Resource
Clay soft enough to mould.
Incidental resource linked in passing, not a quest requirement.