This immunity thing has to stop...

[VandaMan]

With the new warmaster quest, I think we should just scrap immunity altogether, realm gates included. Currently this quest suggests that during an invasion we should endanger our realm's goal of successfully opening the portal, by running off to kill some NPC. I think we've seen more than enough evidence that invulnerability does not do anything to encourage a realm to go on the offensive:

Originally Posted by http://rostatus.heroku.com/stats/horus

Alsius
Attack/Defense Ratio: 0.84
Favorite Forts: Menirah Fort (44.44%)

In case you haven't taken a close look at this stats page, it says that in the last 30 days the ratio of Alsius taking an enemy fort to enemies taking an Alsius fort is .84. This means that even though Alsius forts have been invulnerable for almost half of the reporting period, they were still captured more often than Alsius captured an enemy fort.

I think penalizing a realm for having no gems is the only way guaranteed to encourage them to take the offensive, if forcing them to take the offense is really what you want to do. Yes I know, "boohoo this is totally unfair, we're underpopulated and you everyone will quit if you penalize us because we lost our gems..." but the new invasion mechanics encourage realms to work together offensively, up to the point of endangering the enemy gate. It's extremely easy to put realm gates in danger if both realms really want to play offense, and if all realms are given a reason to play offense (portal opening for realm with gems, removing gemless penalty for realm without gems) gems should change hands quite frequently.