There is a [spell=224669] in the next room. Now You're Thinking With Portals<= more info
This quest has so many connections to the storylines and achievements, that i will probably just describe here where you can look for more info:
Quest video: https://www.youtube.com/watch?v=KPhdouV5qt0
- End of Nightfallen But Not Forgotten The Light Below part
- End of Good Suramaritan An Ancient Gift part
- [spell=226865] is part of the Why Can't I Hold All This Mana?
- This quest will open 1 of 9 teleports from Now You're Thinking With Portals in Suramar Legion
And here is storyline related to this quest:
33
https://www.youtube.com/watch?v=a0W_SaJh7Ug
34
https://www.youtube.com/watch?v=_X3ICBjEQYo
35
https://www.youtube.com/watch?v=jKIkJYe5Twg
36
https://www.youtube.com/watch?v=Z2uDQwoH4tc
37
https://www.youtube.com/watch?v=n3H91-Fh53A
38
https://www.youtube.com/watch?v=x42M3BjC6Y4
39
https://www.youtube.com/watch?v=pBUmDBwVb7w
40
[spell=226865]
https://www.youtube.com/watch?v=KPhdouV5qt0
№ column is quest approximate order in Suramar storyline
The reward is also [item=141950]. Wowhead doesn't has this info yet
On beta we had a bug: There was a tree where you should plant a seed
https://www.youtube.com/watch?v=AfbpK791iKg
Ps After this quest, get back, use Faranaar portal and take [item=140328] Falanaar 21.2, 33.8
https://www.youtube.com/watch?v=UxZKo90qEdI