https://github.com/rathena/rathena/blob/master/doc/script_commands.txt
*autobonus3 <bonus script>,<rate>,<duration>,<skill id>,{<other script>};
*autobonus3 <bonus script>,<rate>,<duration>,"<skill name>",{<other script>};
*active_transform <monster ID>,<duration>;
*active_transform "<monster name>",<duration>;
Rate is the trigger rate of the script (1000 = 100%).
Duration is the time that the bonus will last for since the script has triggered.
Skill ID/skill name the skill which will be used as trigger to start the bonus. (autobonus3)
ex :
autobonus3 "{}",1000,5000,"NV_FIRSTAID","{ active_transform 1115,5000; }";