- You “de-research” Tiers VI–X of any single completely researched vehicle branch of your choice—to [b]instantly research Tiers VI–X of a single unresearched vehicle branch[/b] from those available for the trade-in. Every owned vehicle of Tiers VI to X from the branch you give away will be replaced by its counterpart from the target branch.
- [b]A Tech Tree Trade-In fee applies[/b]. The base price is in gold, but you can add bonds, blueprints, and Free XP to bring the gold expenses down to zero. All the calculations will be shown in the Tech Tree Trade-In interface in the game client before you confirm the trade-in.
- [b]The Tech Tree Trade-In operation is irreversible and can only be made once[/b]. Before making your decision, please explore in detail the target branch, the final resource cost of the operation, and the effect it will have on your vehicles, crews, equipment, etc.
- [b]Recently introduced branches are not available for trade-in[/b].
- You can only make one trade-in. [b]The operation is time-limited and cannot be undone[/b], so choose wisely!
For full information on Tech Tree Trade-in, be sure to visit the news article.
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