Sentry

''"A sentry doesn't move, bot protect its space aggresively from any passers-by." STR +2 AGI +0 HP 10/10 DAM 1d8+2''

Sentries are very powerful enemies in early rounds which can kill you in two turns. Luckily, they are immobile, so unless you are unfortunate enough to spawn next to it, you will most likely be safe.