Though I dream in vain
In my heart, it will remain
My stardust melody
The memory of love’s refrain.
Algalon: The Pet Battle
NB: once you finish Raiding with Leashes IV, you will get the Celestial Invitation in the mail. Algalon is not inside the raid! Nope. He is outside of the portal and down the steps, one landing below.
I followed the Patch 7.1 PTR Algalon Pet Battle Strategy from Perks and Peeves. It works.
I did not have the Emerald Proto-Whelp that is recommended in the guide. I used the (new) Dream Whelpling and it worked just fine. I did not have the Infested Bear Cub and went and tamed one; I was trying the Hyjal Bear Cub and lost the fight by a tiny sliver and so headed out to find the cub and level it up.
Be patient! There is a ton of randomness. Get used to bailing if your Macabre Marionette doesn’t down the first foe and waving the white flag. Have bandages on hand. Pretty soon you will expect to succeed on the first guy and move on.
The second foe is pretty clever by Perks and Peeves. As soon as you start with your Dream Whelpling; use Emerald Dream which is like a hibernate and you can’t be swapped. Then use Emerald Presence which will protect you several turns later from the Moon Weather effect when you are super low on health. Then Emerald Bite twice. This is tedious and scary, it takes a long time but don’t deviate: Dream, Presence, Bite, Bite, Dream, Presence, Bite, Bite, Dream, Presence, Bite, Bite etc.
Then let your Bear Cub hibernate on the third foe; pass, pass, pass, hibernate, pass, pass, pass etc. This is survival mode to let the 15-turn bomb drop and do the killing for you; which is justice in so many ways.
The reward; Stardust is the ultimate status pet. I did what you’d do, I went to Dalaran to hang out and be admired!