Editing Age of Sigmar/Tactics/Death/Ossiarch Bonereapers (section)

==== Using Battalions ====

Because of the ability to increase RDP generation, there are some ways you can use cheap battalions to increase the amount of RDP you have, and lower the amount you need for specific units. One of the best and cheapest battalions is the Mortek Shield Corps battalion, which requires one of your 3 Mortisans or Vokmortian and 3 units of 10 Mortek Guard, allowing you to use one of the CAs on the Mortek Guard for free, once per turn. It also presents you with an additional RDP per turn. The shield wall ability allows you to reroll saves, which means that your 4+/6+ save turns into a 4+/4+/6+ save.  Now, add in one of those Harvesters, meaning that you have a 4+/4+/4+/6+ save, or a 10% chance to fail incoming non-rend armor saves. That means that for every 20 armor saves, less than three should convert to a wound.

The Kavalos Lance battalion makes use of a pair of the fantastically modelled (by Nagash or GW) Kavalos Deathriders, and a Liege Kavalos. This battalion allows you to make up some of the difficulties of movement that the Ossiarch are presented with, and the additional RDP are always great for the +3" movement. 

Another interesting battalion to consider taking is the Mortisan Trident Battalion, which would be how you go about building a strong Magical Ossiarch Bonereapers army. With the current state of Tzeentch, however, this army might be a bit rough to play. This battalion requires you to take all three Mortisans, as well as a Harvester, allowing you additional spell casts, when close to the harvester. That battalion and an Arkhan would allow you some crazy amounts of spells, and if you can take full advantage of that, you might end up thrashing a lot of armies that can't deal with heavy spell usage. Sadly, a lot of your spells work much better when you have a lot of your points in Mortek Guard, who are core to any army you create.

Other battalions can be taken solely for RDP generation and the artefacts you can take, seeing as your first artefact will generally have to be the specific legion artefact. Both Boneshapers and Soulmasons have decent "tools" for their artefacts, but they are not necessary, so don't feel forced to take a battalion for some bad models.