Unlike most humanoid magic users, the Arrarrorians are capable of most of the spells that a sage could perform but they also have other magic, specialized magic only they can perform at their disposal as well and that is what will be gone into detail. Imagination is a good thing to have, but in the case of the Arrarrorians, it is a dangerous weapon against their foes. The more creative they are, the more they can create things with their magic that can do various feats such as defying the laws of physics, replicating spells others have performed or that sort of thing.
Element Wise, they are neutral. What this means is that they can use all elemental magic, and not just one or the other of the types out there. You see this means of course that they have their own magical abilities that they can access. Say someone blasted them with a fireball, they could send it right back, but that is not all. If someone were to launch a slow moving non-seal type magical attack at them and they touched it at all, it would reverse direction and turn on the caster.
Also some of them are capable of performing spells of higher magnitudes than most, but since only one exists, this will be detailed. See, Arrarrorians have not 2 of the magic producing organs, but four. Three of those four are normally dormant. They act as magical storage tanks, gathering in excess from every spell cast and converting it into healing energies which heal the body. This is a very useful thing, but over the course of their life, Arrarrorians unlock one of the magical organs. Once unlocked, they are capable of casting out more spells. Only they lose the healing factor a bit, the speed of it is decreased. To remedy this, they can lock the magical organ they have unlocked once more if they so desire or stick with it being locked. Now that I have bored you enough with that explanation, it is on to the actual magic part of the Ararrorians, the spells.
Now, see they are very magically capable. Only it is rare for an Ararrorian to know about their origins, so most of the spells they cast are ones they make up or learn from other people. The reason for this is that they don't have the records they used to, so they don't have the same magical research or information at their disposal. Any weapon in their hand becomes more durable.