There are lots of resources to find and collect on your travels through Allraan in Eiyuden Chronicle: Hundred Heroes. These are needed to purchase or upgrade facilities for the Headquarters which becomes available during the main quest, Separate Ways. If you want some of the final facility upgrades, then you need to get your hands on some Ancient Dragon’s Tooth, but it can only be obtained via the Mission Guild.

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Ancient Dragon Tooth is only obtainable by repeating the Beast Busters! mission in the Mission Guild.

Ancient Dragon’s Tooth Uses¶

If you want to start acquiring some Ancient Dragon’s Teeth, then you’re going to have to do some prep, such as leveling the HQ, unlocking the mission guild, and purchasing the mission task 3 and 4 upgrades.

Upgrading HQ Level 2¶

The HQ Rank Level 2 Upgrade will require 6,400 Funds, 26 Allies and x100 Food. You can generate food naturally by getting the “Establish Pasturage” Blueprint, but this will require you to recruit Martha who can be found on the eastern side of the HQ (in the town, not the castle). As for the allies, you should already have enough, but if you don’t then check out our All Recruitable Characters to see if you’re missing anyone at your stage of the game.

Mission Guild¶

Once you’ve got the HQ to level 2 you’ll want to unlock the Mission Guild, but it won’t be available until you’ve recruited Huang and unlocked the fishing spot (along with the fishing spot: product. 1 upgrade). Next up, you’ll need to get the “mission task 3” and “mission task 4” upgrades, as these will make the Beast Busters! mission become accessible.

You can now dispatch some of your inactive members of the alliance out on this mission for a chance to obtain Ancient Dragon’s Tooth every 30 minutes. Unfortunately, there’s no way of increasing the amount of Ancient Dragon’s Tooth per mission so you’ll just need to be patient and wait for them to build up over time. With Ancient Dragon’s Teeth in your possession, you’ll be able to get the following final upgrades: