# 7.2 TDT Digital Goods (NFT) Upgrade

## Grade and Level Up

TDT digital goods (or NFTs) have a total of three tiers.&#x20;

You can start at the lowest tier, Normal, and progress through Rare to reach the highest tier, Super-Rare. Digital Goods (or NFTs) can be leveled up to move to a higher tier if they meet certain requirements.

* The level system for TDT Digital Goods (or NFTs) consists of three tiers, each of which has five levels, for a total of 15 levels.&#x20;
* Different levels and tiers of TDT Digital Goods (or NFTs) have different amounts of Competition Reward Points (TDTP), and the amount of Competition Rewards you receive increases as your level and tier increases.&#x20;
* To increase the level and tier of TDT Digital Goods (or NFTs), users must pay points (TDTP).&#x20;
* TDT Digital Goods (or NFTs) are leveled up and ranked up by selecting a character and using that character's root.

<figure><img src="https://999936385-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Foe8Ym1zkE8NHPhdex1vP%2Fuploads%2F5lnBqaNFhXOIMwQQwctE%2F%E1%84%80%E1%85%B3%E1%84%85%E1%85%B5%E1%86%B71.png?alt=media&#x26;token=56d7e5e0-274d-416f-a1f8-6c20ec271a5a" alt=""><figcaption><p>TDT Championship App </p></figcaption></figure>

## Level up TDT Digital Goods (or NFTs)

Users who own TDT digital goods (or NFTs) can level up their digital goods (or NFTs) using points (TDTP) earned as rewards in competitions.&#x20;

You can level up to the next level by spending points (TDTP) on specific TDT Digital Goods (or NFTs).&#x20;

Levels start at 1 and can go up to 5, and when you reach the final level (Lv.5), you'll be eligible for the next tier of Digital Goods (or NFTs). As your level and tier increase, the amount of additional rewards for each round increases.

* The number of points (TDTP) required to level up for each digital good (or NFT) tier is shown below.

<figure><img src="https://999936385-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Foe8Ym1zkE8NHPhdex1vP%2Fuploads%2FMXjKmK7C5buS1CrjgaYn%2F%E1%84%80%E1%85%B3%E1%84%85%E1%85%B5%E1%86%B71.png?alt=media&#x26;token=0a4b37e6-e56a-408a-8225-2f306e4bc951" alt=""><figcaption></figcaption></figure>

## Grade up TDT Digital Goods (or NFTs)

1. **Grade Up?**

Has your TDT digital good (or NFT) reached level 5?&#x20;

If so, you can apply to climb to a higher tier, which will increase your digital good's (or NFT's) tier by one level and give you more benefits, including additional rewards, than the previous tier.

2. **Grade Up Guide**

You can find the Cheer-Up button on the detail view screen of the TDT Digital Goods (or NFTs) to be cheered up. On the Cheer-Up screen, select the Cheer-Up Digital Goods (or NFTs) to be consumed as materials and click the 'Cheer-Up' button to attempt the cheer-up, which will either succeed or fail. The detailed policies regarding cheer-ups are as follows

3. **Grade Up Condition**

* Reach level 5 of TDT Digital Goods (or NFTs) to be upgraded
* Merge TDT Digital Goods (or NFTs) to be upgraded with Cheer-Up Digital Goods (or NFTs) to be upgraded (\* Requires 3 Cheer-Up Digital Goods (or NFTs))
* Success Chance Range (33%\~100%)
* Cheer-Up Digital Goods (or NFTs) used to upgrade will be burned when you upgrade your grade.
* Grade Upgrade Cost: Free

A successful grade upgrade has a 100% chance of success if two of the grade upgrade conditions are met.&#x20;

The probability of success for each condition is shown below.

<figure><img src="https://999936385-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Foe8Ym1zkE8NHPhdex1vP%2Fuploads%2Fhd04YgwqmBH6Ok9dQdcW%2F%E1%84%80%E1%85%B3%E1%84%85%E1%85%B5%E1%86%B71.png?alt=media&#x26;token=4189d6f6-91ea-471e-886f-09ae39844641" alt=""><figcaption></figcaption></figure>
