Q:
Question necro mobility and counter mobility?
That’s a pretty close assessment…it is very much often a fight to the bitter end or the opponent at least flees.
Immobilize/Chill/Cripple:
http://wiki.guildwars2.com/wiki/Chilblains
http://wiki.guildwars2.com/wiki/Grasping_Dead
http://wiki.guildwars2.com/wiki/Dark_Pact
http://wiki.guildwars2.com/wiki/Frozen_Abyss
http://wiki.guildwars2.com/wiki/Rigor_Mortis
http://wiki.guildwars2.com/wiki/Signet_of_Spite
http://wiki.guildwars2.com/wiki/Chilling_Wind
http://wiki.guildwars2.com/wiki/Plague_of_Pestilence
http://wiki.guildwars2.com/wiki/Tainted_Shackles
Pull to/from
http://wiki.guildwars2.com/wiki/Deadly_Catch
http://wiki.guildwars2.com/wiki/Dark_Spear
http://wiki.guildwars2.com/wiki/Spectral_Grasp
Swiftness/Speed/Teleport
http://wiki.guildwars2.com/wiki/Locust_Swarm
http://wiki.guildwars2.com/wiki/Dark_Path (also has a chill)
http://wiki.guildwars2.com/wiki/Signet_of_the_Locust
http://wiki.guildwars2.com/wiki/Spectral_Walk
→ http://wiki.guildwars2.com/wiki/Spectral_Recall
http://wiki.guildwars2.com/wiki/Necrotic_Traversal
I probably missed some. Take note the number of teleport skills is deceiving; as most have some sort of built in limiter to usage such a requiring a target or are tied to a minion.
There are traits that help too, such as:
http://wiki.guildwars2.com/wiki/Chilling_Darkness