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Ember Sword — Immutable X Migration

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That’s right, it’s time! As you may be aware, we previously published a blog announcing our partnership with Immutable X to ensure we are laying the best possible foundations for Ember Sword and our community.

We have many great reasons for this partnership — massive speed and responsiveness for transactions, increased accessibility, improved security, the ability to pay with a credit card, and more. Additionally, upon migration, badge holders will benefit from changing their ERC-1155 to non-fungible ERC-721, making each of them fully unique. All in all, this is another step towards making Ember Sword secure and, more importantly, accessible to as many people as possible.

One of the main points of the previous announcement was that our current land and/or badge holders would need to migrate their NFTs from Polygon to Immutable X. After a lot of optimizing and setting up processes, as you can probably guess by the title, it’s time for you to learn how to do just that!

To give our invested community time to prepare for the transfer process, we are posting this guide in advance. The migration process will become available on June 8th.

Reward Program Details

We here at Ember Sword, alongside Immutable X, have created a rewards program as a way to give you a little token of our appreciation.

Here’s how this is going to work — we have set aside a pool of 20,000 IMX tokens. Users will be rewarded with 1 IMX token per asset transferred. These tokens will be distributed on a first come, first serve basis while supplies last. Simple, right?

This method was chosen due to how uncomplicated it is, while also making sure that a broad range of people can benefit from it. To do that, we have put in place a cap of 150 IMX tokens per person in order to ensure as many people as possible get a chance to partake in the reward program.

Do be aware that we would never ask for your password or keys, nor would we ever communicate with asset holders outside of our official channels. Exercise due diligence in all matters related to your Ember Sword assets. To stay up-to-date on any security concerns, consider joining our Discord, where we frequently update our community on things to watch out for.

With all that said, let’s see exactly how the migration process works.

The Migration Process

To make migrating from Polygon to Immutable X as easy as we could, we have made it possible to complete migration without ever having to leave our website. We have also created a handy video tutorial (alongside the text one below), which you can watch at this link.

Step 1 — log into your Ember Sword account. If you do not have an account yet (say you’ve bought your land/badge on the secondary market), you can register here.


Once you’ve successfully logged in, you will be taken to Step 2 — Connecting your digital wallet.


We are using MetaMask here as an example, however please note that most Web3 compatible wallets should work. We have run tests with multiple ones to make sure of that, including the likes of Coinbase hot wallet and Nano Ledger.

Step 3 — Connect Immutable X to your Web3 wallet and confirm the switch.


Click on “Switch network”, which will start Step 4 — Transferring your Polygon assets to Immutable X.

The process will confirm which assets you have in your wallet. You will again have a MetaMask pop-up, prompting you to allow the addition of a network to your MetaMask account (with the same example parameters as above). Click “Approve” and then “Switch network”.


The transfer will incur some gas fees, which will be shown in the next pop-up. The gas fees are part of the transfer, as you’re migrating networks.


Upon confirmation, the migration will begin.

Your transfer is now in progress. Upon its completion (which can take between several seconds and a few minutes), you will be notified via email if the transfer has been successful. At this point, you can safely exit the transfer browser window.


And that’s it! You have successfully migrated your Ember Sword NFTs to Immutable X.

Once again, the process goes live on the 8th of June. To stay up-to-date on all things Ember Sword, make sure to follow us on our socials and join our Discord.


Ember Sword — Immutable X Migration was originally published in EmberSword on Medium, where people are continuing the conversation by highlighting and responding to this story.

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