here is what i thought about it: (good to see that i am not the only one

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it would be nice to have a button to chain and unchain the party. it should be available only when the entire party is in close proximity to eatch other. otherwise the members would start running through every trap and so on.
as a second additional option, it would be nice to have a buton on each party member to have them chained or unchained.
the other variant would be to get rid of the chaining all together and use classic RTS style management. have them grouped together when pressing and holding left mouse button to select them in a square. and controll only one party member if selected only one party member with left click.
the second variant would suit me the best i think.
and of course it would also be good to have a waypoint system when holding shift to so you can make a pre difined path to walk through to avoid traps like the ones that get you entagled.
the camera should not be focused on characters. it should be free roaming.