With the introduction of Chapter 2 Voidwatch, I feel it's been an increasing problem with the lack visual feedback as to where the perimeter of your battlefield lies, especially on the Zilart path where you have to deal with multiple monsters at once.
The common strategy for that path typically involves pulling the additional enemies out of Area-of-Effect range (which can be very large on some of the new foes) of the main group and either holding or killing them off safely while the rest of the alliance focuses on the main foe.
That, coupled with now larger open areas to battle in (some of which that don't have any real good walls or point of references nearby) the battle may get repositioned a couple times due to hate management, the adds causing problems, or knockback attacks shuffling people around. Coupled with a busy chatlog (even with filters up), you may not even realize the game is trying to warn you that you're about to unintentionally walk off the battlefield due to being too far from where you initiated the fight.
As it stands, the rift animation disappears when you initiate the fight, removing any sense of where the 50 some yalms of distance of the battlefield is based around, and the game doesn't give you an ample amount of warning when you're nearing the perimeter, made worse if you're suffering from visual or network latency at the time due to how busy some of these battles can become.
One thing I've been thinking of that would work within the limitations of the system would be to place a small series of models or glyphs about the perimeter (since the game has a 50 display model limitation. Full alliance + upwards of 5-6 target enemies should leave lots of room for nearby wandering beasts and markers) to notate the point of receiving a warning message that you're about to leave the battle.
An example of what would be personally satisfactory is having a series of those glyphs used in Bastion surround the battlefield, as you can see in this picture from an update earlier in the year: http://www.playonline.com/pcd/verup/...23/6023_58.jpg
TL;DR: I have no sense of direction or distance and I need a visual representation of the border of the battlefield when participating in Voidwatch. Does anyone else feel this way as these fights get larger in scale and demand, possibly more-so come Chapters 3 & 4?