use 2x 灵种根粒 or more on the 心能触媒仙土
use 神圣骄傲精魂 on 再生灵种 with 2x 心能触媒仙土 or more near
wait 7 days for incubation
open 再生灵种 and speak with the NPC that will appear
loot 女王的温室宝箱 and hope for drop 铮亮金属顶饰碎击锤 (wowhead says 1.3% drop rate) I got it after 2 trys

Use 时空之叶 to speed up the Incubation.

Video guide: https://youtu.be/BErz8sBxINE

Been trying for awhile now on my warrior - has anyone gotten this from the conservatory?

小知识

屏幕截图

视频

铮亮金属顶饰碎击锤

装饰品
物品等级：1
绑定至战团

双手	权杖

1 - 2点伤害	速度 3.60

（每秒伤害0.4）
耐久: 30 / 30

需要等级 60
获得成就“庇护堡垒”才能购买此武器外观。
使用：将此外观添加到你的战团收藏中。

售价: 27

当玩家选择以下专精时可获得本物品：

[Vendor Locations]

[This item can be purchased in] 极乐堡（2）和晋升堡垒 .