To make ai more aggressive use
Taken from scripting manual:
AlterGroupStats Element
This element is used to change the status of group members or alter their stats.
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Examples of use:
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type AlterGroupStats
Requires one of these optional attributes:
group_id Name of group to assign changes to.
player_type See beginning of this chapter for details.
Requires at least one of these optional attributes:
invisible Decides if group is detectable by other AI.
pacifist Decides if the weapon in a group do damage.
combat Force group in or out of combat mode.
blind_and_deaf Decides if a group can detect enemies.
gun_restricted Decides if a group can raise their weapons and use them.
health Set health amount for each soldier in group.
max_health Set maximum allowed health for each soldier in group.