What Are the Hero Wars Mead Festival Generators?

The Hero Wars Mead Festival Generators are five generators on the November Mysterious Island. Each one sits on its own islet, and the islets open one a day during the Mead Festival week of the new Wodryn & Cosmic Season. Every generator produces one resource on a fixed timer:

• Barrel Keys: every 3 hours, from November 9
• Golden Thread: every 3 hours, from November 10
• Astral Season experience: every 12 hours, from November 11
• Energy Crystals: every 12 hours, from November 12
• Asgard Mead: every 6 hours, from November 13

All five stop together on November 16 at 02:00 UTC, the day the Mead Festival ends. Because they open on different days, each one gets a different number of cycles: 56 for the Barrel Key generator, 48 for Golden Thread, 12 for Asgard Mead, 10 for Astral Season experience and only 8 for Energy Crystals.

How Hero Wars Mead Festival Generators Upgrades Work

The Hero Wars Mead Festival Generators don’t cost Emeralds. They use the two currencies of the Mead Festival itself:

• Barrel Keys: Stage I costs 5,000 and Stage II 10,000 on the Barrel Key, Golden Thread and Astral Season generators.
• Asgard Mead: Stages III, IV and V of those three cost 3, 4 and 5 Mead (12 per generator). The Energy Crystal generator takes only Mead (1, 2, 3 and 3 for its four stages), and the Asgard Mead generator too (4, 6 and 8 for its three).

Maxing all five takes 45,000 Barrel Keys and 63 Asgard Mead.

Why the Barrel Key Generator Comes First

The Barrel Key generator opens first and pays for itself. Stages I and II cost 15,000 Barrel Keys, and at Stage II it already brings in 500 every 3 hours: that is 28,200 over its 56 cycles. Maxed on November 9, it produces 115,200 Barrel Keys, more than enough for Stages I and II of the Golden Thread and Astral Season generators.

The Asgard Mead Generator Pays Back, If You’re Quick

Maxing the Asgard Mead generator costs 18 Mead. On its opening day it returns 39 Mead over 12 cycles, so you end up 21 Mead ahead. But it only runs for three days. Upgrade it a day late and it returns 27 (9 ahead); two days late and it returns just 15, less than you put in. So max it on November 13 or skip it.

Energy Crystals Prepare Wodryn’s Adventure

Energy Crystals are the energy of Roots of Destiny, Wodryn’s adventure (November 16 – 22). Under the new event system, adventure energy is collected in advance, and this generator is one of the sources: up to 370 Energy Crystals for 9 Asgard Mead. It only gets 8 cycles, so the earlier you upgrade it, the better.

Reading the Tables

All rewards and costs in the tables below are cumulative, just like in the game. Total Rewards is the production over the generator’s full runtime at that stage. Total Cost is everything spent from Stage 0.

Hero Wars Mead Festival Generators Data Tables

* Total Rewards and Total Cost are cumulative. The top stage shows the production over the full runtime and the cost from Stage 0, as in the game.

How to Use the Hero Wars Mead Festival Generators Planner

The planner above has one card per generator. Each card shows the cycle time, the opening date in your own time zone and the total number of cycles. Use the stage buttons to set the stage you plan to reach. The Energy Crystal generator stops at Stage IV and the Asgard Mead generator at Stage III, so their cards show fewer buttons.

As you pick a stage, the card shows you:

• Per cycle production at that stage
• Total production over the generator’s active period
• Total upgrade cost in Barrel Keys and Asgard Mead
• Next stage cost, so you can judge if the next step is worth it

The summary at the top adds up your Barrel Keys and Asgard Mead across all five generators. It also counts your cycles and maxed generators. At the bottom, the Investment Summary breaks the cost down per generator.

Saving and Sharing Your Setup

Once you like your plan, hit Save Progress to keep your stages in this browser. Share Setup copies a link with your stages, handy for comparing plans with guildmates.

Plan the Hero Wars Mead Festival Generators Early

Every generator here runs for a week or less, and every day you wait costs cycles. Start the Barrel Key generator on November 9 and let its keys pay for Stages I and II of the next two. Then spend your Asgard Mead where it counts most for you: Golden Thread for War Flags, Astral Season experience for the season pass, or Energy Crystals for Wodryn’s adventure. Use this planner to work out how far you can take each of the Hero Wars Mead Festival Generators.