评论来自 radienlee

Found at 54.7 77.2

评论来自 DrWarde

If you go to pick this up and it seems like it just vanishes into thin air, don't worry, the postmaster just yoinked it.

评论来自 FuNkowah

Added in patch 10.2.5 "Seeds of Renewal"
Night-Elf-themed transmog in Bel’ameth (Amirdrassil):
蓝色卡多雷铺盖
蓝色卡多雷背包
暗夜精灵号角
暗夜精灵信号号角
卡多雷凿弓小刀
紫色卡多雷小袋
蓝色卡多雷小袋
暗夜精灵战盾
暗夜精灵战矛
卡多雷哨兵的望远镜
卡多雷月弓

All of these items are account-bound. If your character can’t wear some of these items, send them to your alts to learn the transmog.
No faction restrictions, you can fly to Bel’ameth and find these items without facing any hostile encounters as Horde.

/way Amirdrassil 54.69 77.20 Blue Kaldorei Bedroll
/way Amirdrassil 52.54 17.72 Blue Kaldorei Backpack
/way Amirdrassil 58.43 51.87 Night Elven Horn
/way Amirdrassil 49.14 70.33 Night Elven Signal
/way Amirdrassil 31.30 16.12 Kaldorei Bow Carver
/way Amirdrassil 48.28 76.40 Violet Kaldorei Pouch
/way Amirdrassil 55.30 64.31 Blue Kaldorei Pouch
/way Amirdrassil 47.88 56.85 Night Elven Shield
/way Amirdrassil 53.46 55.73 Night Elven Spear
/way Amirdrassil 51.89 5.89 Kaldorei Sentinel's Spyglass
/way Amirdrassil 29.04 28.83 Night Elven Bow

There's 2 more Night-Elf-themed transmog that are rewards from completing a little questline, these rewards are 紫色卡多雷铺盖 and 紫色卡多雷背包.
To start this little questline, speak with Alexstrasza at the Seat of the Aspects.

晴空无垠，乘风万里

巨龙军团的勇士 achievement and account-wide title will be granted.

After giving you a recognition, new quests from 阿莱克丝塔萨，生命的缚誓者 and 威拉诺兹 will appear respectively.