Boxing & unboxing is the process of converting a primitive value into an object oriented wrapper class (boxing), or converting a value from an object oriented wrapper class back to the primitive value (unboxing).
The Old Dalaran will stay in Northrend, so yes, mages are going to have 2 portals to dalaran (one to Northrend and one to the Broken Isles)
As has been said, the origins of the link between Dal DÃ¡l riata In scotland And ireland are. Obscure what is not in doubt is That Irish Dal dÃ¡l riata was a lesser Kingdom. Of Ulaid the Kingship of ulster was dominated By The dal dÃ¡l fiatach and Contested by the cruithne Kings nAraidi. the dal dÃ¡l naraidi