Mythicmobs mobs become immortal when the player kill it
Summary
my staff made a sword that have special skill so that it can deal extra damage to certain mob, however, when the mob almost killed by the sword skill, it become immortal, cannot interact , cannot use lava, water, any kind of source of damage, the only thing can remove is to use vanilla chunk despawn, mythicmobs killall still cannot kill the mob.
Steps to reproduce
spawn the mob with damage modifier 0 , use the sword hit it.
item files: https://pastebin.com/KTcnXb3J https://pastebin.com/XTUJ1f08 mob files: https://pastebin.com/GK0B7cGS skill files: https://pastebin.com/J2BZdcwr
Current behavior
video demonstration: https://youtu.be/SGWTuhy_d-0
Intended correct behavior
it should die when the skill active (when sword hit the mob),instead of being immortal
Server log file https://paste.gg/p/anonymous/45c2300f33654fefab4ed4c21fc65316
Debug log snippet
no output
Proposed fixes
add a check on damage modifier?