on region enter:
if "%region%" contains "bow":
if {lastcombat::%player%} was less then 10 seconds ago:
send "&cYou are still in combat!"
cancel event
on death:
set {lastcombat::%player%} to 20 seconds ago
on damage:
set {lastcombat::%victim%} and {lastcombat::%attacker%} to now
on join:
set {lastcombat::%player%} to 10 days ago
third line
{lastcombat::%player%} doesnt have a past state?