# 质押抽卡

**进入质押界面**

质押HEROES来获得不同品质的NFT卡牌

![](https://1423255091-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MYcHUDXwSbY_4hJ_hHU%2F-MakmtOLqAhgwXQKGOHK%2F-MaknJ4ZJHmGU3nF0Y9L%2Fimage.png?alt=media\&token=df0f81e7-b39b-4e64-8acd-318feea38a3f)

**质押**HEROES**抽取NFT卡包**

用户可以通过质押一定数量的HEROES获得NFT卡包，根据单个质押HEROES的数量，可以获得相应品质等级的NFT卡包，单个质押的HEROES数量越多，获得的NFT卡牌品质越高。

***tips:在质押前，需要先进行授权，质押与授权均为上链操作，需要消耗一定的BNB作为GAS费。***

**抽卡概率如下图所示**

* 卡牌品质由低到高分别为：白色，绿色，蓝色，紫色，橙色，金色六个等级。
* 单个质押相应数量的HEROES，可以保底获得该品质的NFT卡牌，同时还有一定几率获得高一级品质的卡牌。如：质押80 HEROES，必得橙色品质NFT卡牌，同时还有一定几率可以获得金色品质。
* 调整质押抽卡数量，可以获得相应数量的卡包，每个卡包仅包含1位随机英雄，品质以单个质押HEROES数量所达到的品质为主。

![](https://1423255091-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MYcHUDXwSbY_4hJ_hHU%2F-MakmtOLqAhgwXQKGOHK%2F-MaknRKQ5WO04pm2o4R_%2Fimage.png?alt=media\&token=1e096660-bfa5-4898-8365-6360cdde4e7b)

**集卡挖矿收益和卡册总战力**

* 集卡挖矿的收益取决于集卡册的总战斗力在全服战斗力中的占比，占比越高，奖励越多
* 卡册总战力 = 已放置在卡册的每一张NFT卡牌战力（含卡牌组合加成和卡槽升级加成）之和，乘以（1+集齐卡牌数量加成比例）


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