those vanishing navy soldiers need fix

[maxumw2000]

im getting very tired of not being able to hit those vanishing navy soldiers i have to keep moving around and hope they appear so i can hit them you die trying to kill a higher level vanishing soldier it seems like it not being fixed anytime soon this will flatten game for sure im loosing interest quickly with this bug not only do they vanish but half the creatures do the same.
Every update it gets even more crazy.