Hi folks, the goblin land mine isn’t behaving like it did in classic. When planted, it used to aggro mobs around it who would try and kill it before it was done arming.
On vanilla launch it was bugged and would just disappear ( pre patch: YouTube /watch?v=A4i4jcBlUlk ).
It was later changed/nerfed where it would emote during its arming phase and have those little taunt tick marks pop up above it and all the mobs around it would attack it just like a target dummy and prevent the arming sequence. See the top post on its classic wowhead /item=4395/goblin-land-mine#comments
If you scroll down on the wowhead comments you will find another relevant comment:
"First time I ever made one, and it was post-patch.
Goblin land mine drew agro the instant it was placed. It has to be placed pretty close, nearly at one’s feet.
Seemed to be like a target dummy that explodes when armed after 10 seconds. I was concerned it was going to be destroyed first by the mobs pounding it, but it did survive until detonation."
I hope this helps.
