Tri-Key how to get and uses in NTE: Neverness to Everness. Covers where to find Tri-Key and what it is used for. Use this guide to obtain Tri-Key in NTE.
Table of Contents
Tri-Key How to Get & Usage

| How to Get |
|---|
| - Annulith Processing - Hunter Exchange - Event Reward |
| Effect / Usage |
| Used for participating in the Arc Research Program and exchanging for Arcs. |
Used for the Arc Research Program

Tri-Keys are required for pulling on the Arc Research Program (Weapon Gacha). Unlike Dice, only 10-pulls using 10 Tri-Keys are available.
Used for Exchanging S-Class Arcs

Tri-Keys can also be exchanged for select S-Class Arcs. Exchange requires 25 Tri-Keys per Arc.
| Exchangeable Arcs | ||||
|---|---|---|---|---|
Reality Refuge | Youthful Fantasy | Good Boy's Grand Adventure | Camellia Society | Raging Flames |
Doomrain | Blow up the Crowd | Tears Beneath the Mask | Eternal Waltz | Song of the Whale |
*Doomrain becomes available for exchange after purchasing the Limited Press Arc Pack.
Detailed Guide to Getting Tri-Key
Exchange for Warp or Lost Pieces

The Warp Piece and Lost Piece you obtain from Weapon or Character Banners can be exchanged for Tri-Keys at the Shop's Exchange. Lost Exchange has a monthly limit, but Warp Exchange has no limit.
Pieces Required for Warp Exchange and Lost Exchange
| Warp Exchange | Lost Exchange | |
|---|---|---|
| Tri-Key ×1 | Warp Piece×24 | Lost Piece×70 ∟Limit: 20 times/month |
Convert Annulith into Tri-Keys

From "Annulith Processing" at the Shop's Exchange, you can convert 160 Annulith into 1 Tri-Key. Consider this if there's an Arc you want badly enough to spend Annulith on.
How to Efficiently Gather Annulith| Note | If you try to roll a Banner while short on Tri-Keys, you can spend Annulith directly without converting it in advance. |
|---|
Purchase at the Hunter Exchange

At the Hunter Exchange, you can purchase up to 40 Tri-Keys using Fons. The Hunter Exchange's stock resets on a set date, so buy as many as you can before the reset.
Hunter Exchange Priority Items and Unlock Conditions| Note | New items unlock at the Hunter Exchange each time your Tycoon Level meets the requirement. |
|---|
Sometimes Obtainable from Event Rewards

You may be able to obtain Tri-Keys as an event reward. When a new event goes live, check its details and rewards so you don't miss out.
Event Guides and Schedule SummaryTri-Key - Basic Information
| Item | Detail |
|---|---|
Tri-Key | Used for participating in the Arc Research Program and exchanging for Arcs. |
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