Sorry by the video in portuguese, i'll explain each spell in english
Aura:
It's a magic power created from the caster spirit, the power follow the caster when it says te magic word, and when says again, the magic power stop following. This power drains the energy of the caster for each second, and when it don't have any energy to spent, the spell stop.
Drain Missile:
The caster throw out a special holy bolt on each enemy arround, when it deal a damage, it returns to the caster and heal it.
The caster should be a paladin.
Dark Hole:
This spell make the enemys to get closer to you, and do a damage.
about the Drain Missile, it isn't bad because partys and guilds, we also have a special pvp system, it will be showed on next teasers! (we have much more to show, it's just the begin)
[if anyone can merge this post with the main topic, thx]