If you want to know why, except for their numbers they also had a terrifying special skill.
『Even if I defeat them and defeat them, there will still golems come out.』 (Wendelin)
『There is a secret workshop producing them in the back.』 (Luise)
『That’s it!』 (Wendelin)
On the first level we ended up wasting quite a lot of time until we actually noticed that.
First off, of the numbers of golems on standby on the level only around a fifth was deployed on the floor.
Even if you defeat them and defeat them, there will appear reinforcements from holes in the floor and through the walls of the floor.
To continue, as there are the remains of crushed golems, there exist golems who collect those periodically.