When do you LB in DF EX? (DPS)

[Kokonji]

Ranged LB in big pulls
melee LB in boss

or

if no one doing it, just LB on 1-2 % of last boss hp regardless what role you take, so you could gpose after the dungeon is done

[Rowde]

Ranged LB in big pulls
melee LB in boss

or

if no one doing it, just LB on 1-2 % of last boss hp regardless what role you take, so you could gpose after the dungeon is done

This is the true endgame strat.