These are the locations of the quest givers for the tier two tracker armor quests.
It is the quest version of a tier 2 armor set with set bonus.
The first quest for each will be kill 20 players of X class.
The second quest will be to kill a hero to receive your armor.
Ostland Empire chapter 7 camp
Level 12 minimum
Marsh of Madness Dwarf chapter 6 camp
Level 13 minimum
Ellyrion Elf chapter 8 camp
Level 16 minimum