Your reward will be a trophy for your user look up.

Mission 1
Fight - Pant Devil
Location - Pant Devil has to steal something from you.

Mission 2
Fight - Ghost Lupe
Location - Click Here.

Mission 3
Fight - Cave Chia.
Location - Click Here.
(You have to refresh over, and over again to get it to challenge you)

Mission 4 -
Fight -  Meuka.
Location - Your Neopet needs to get Sneezles or Neoflu first.

Mission 5
Fight - Braintree.
Location - Complete a Braintree Quest. To do that you have to feed the Esophagor twice.

Mission 6
Fight - Commander Garoo.
Location - Refresh at the Space Station. A LOT.

Mission 7
Fight - Tekkitu the Witch Doctor.
Location - GO on the Tiki Tour

Mission 8
Fight - Meerca Henchmen.
Location - Trap Door (Refresh A LOT)

Mission 9
Fight - Giant Ghostkerchief.
Location - News Page

Mission 10
Fight - Evil Sloth Clone.
Location - Kreludor Moon

Mission 11
Fight- Snow beast
Location- Refresh here:
http://www.neopets.com/winter/adventcalendar.phtml

Mission 12
Fight- Giant Hungry Malevolent Chomby
Location- http://www.neopets.com/prehistoric/omelette.phtml?rand=65391

Mission 13
Fight- Mootix Warrior
Location- already opponent

Mission 14
Fight- Kastraliss
Location- Refresh Here:
http://www.neopets.com/search.phtml?selected_type=user&string=kastraliss

Mission 15
Fight- Sea Slug
Location- Have Slug Flakes in your inventory and refresh here:
http://www.neopets.com/water/seaslug.phtml