For you hunters out there, here are the Halo 4 Castle Map Pack Achievements

343 Industries has released the nine new Achievements that come along with the Halo 4 Castle Map Pack. Launching on April 8, the Castle Map Pack — designed by Certain Affinity — focuses on team objective and vehicular combat with the addition of three new "medium-to-large" maps and a new 6 vs 6 playlist. 

As for the Achievements, it's the typical multiplayer challenges — kill players using a specific weapon, complete a certain match, etc. Below are the nine Achievements included in the Castle Map Pack, worth a total of 250 Gamerscore.

What is Yours is Also Mine
In Castle DLC Matchmaking, disable a vehicle and then hijack it.
40 points
 
Dodge This!
In Castle DLC Matchmaking, get two direct Spartan Laser kills in one match.
20 points
 
Hello Nurse!
In Castle DLC Matchmaking, heal a near-death teammate with Regen Field 5 times.
30 points
 
That Won't Save You
In Castle DLC Matchmaking, assassinate an enemy who is using a Hardlight Shield.
30 points
 
Ashes to Ashes
In Castle DLC Matchmaking, disintegrate 6 enemies using Forerunner weapons.
10 points
 
Beating up the Beat
In Castle DLC Matchmaking, perform 5 melee kills in a single match.
30 points
 
Sight Seeing
In Castle DLC Matchmaking, complete a match in any mode for each Castle map.
20 points
 
Scrapyard
In Castle DLC Matchmaking, destroy 2 vehicles during a single game.
30 points
 
Outta My Way!
In Castle DLC Matchmaking, kill 5 enemies during a match by running them over.
40 points