Solution: Roll a ranged class. Especially with 2.0 there are more abilities it seems like that either disable gap closers or let your enemies get away.

This is the effect details for the orb from torhead. Effect Subeffect Type Text 0 1 condition IsInCombat: Negated=>1, Actor=>Target 0 1 condition HasEffect: FromActor=>None, Negated=>1, Actor=>Caster, Count=>1 1 1 action CallEffect: FromActor=>Caster, EffectNumber=>2 1 1 action PlayAppearance: DependentOnCallingEffect=>1, AppearanceSpec=>epp.qtr.1x4.daily.belsavis.superboss.itm_orb_toss 2 0 init SetDuration: MaxDuration=>15000, Duration=>15000, Toughness=>3 2 0 init SetStackLimit: MaxStackCount=>1 2 0 init SetHidden: IsHidden=>1 2 0 condition IfCalledByEffect 2 1 action PlayAppearance: AppearanceSpec=>epp.qtr.1x4.daily.belsavis.superboss.itm_orb_persist