Hello !
I would like to suggest some improvements for Abyssal Gate feature.
First, User Interface.
It's annoying to click OK and close many windows before going into Abyssal Gate Screen. I think the 'OK' button on abyssal gate notice screen should be changed into 'GO' and redirect you to battle preparation screen. And there should be a close button located at top right corner of the screen.
This would save a lot of hassle and time.
Second, Multiplayer Interaction.
Abyssal gate should have a 'Help Request' feature where you can send help request to your allies in case you are not strong enough to kill the boss.
This would benefit new players because they can get help into getting the hero shards they need.
And also benefit old players because they can save energy used to trigger abyssal gate.
Additionally, Helping Players will gain 1 friendship point to help them level friendship.
This would encourage community interaction and community playing would be a lot better, considering VF lacks multiplayer contents.