Suras are fighters who came in possession of magic forces when they agreed to let the devil seed grow in their arm.
Therefor they are able to swing swords in close combat skillfully, or attack from a distance with black magic.
By specialization they improve either their magic attack or acquire additional strengthening skills.
As 6/7 Bonus we recommend in PvM-Equipment "Attack Power" & "Strong against Monster" & INT-Buff equipment to boost the "Enchanted Blade".
Class specific stats in PvP are "INT" & "DEX" for Black Magic and "INT", "DEX" & "STR" for Weaponary Sura.