Legendary Bloodstone mobs

[Durbogh.6708]

Hello. Can these mobs have normal timer like other things? i am farming arctodus, 3 days,only 1 i need for achi, and when i use that item which show me if its possible spawn it show me he is dead, or he can be spawned, but in few mins he is dead...i really starting hate that...and timer will fix these problems..

[Jukhy.2431]

I think I used this gw2timer page when I was doing the achievement. Click on the event under Arctodus to see the possible locations on the map. However, they can spawn outside of the set time.