Immortal Spiders in Jungle Valley

Hello,
i spawned some spider throu an strongbox and they appear immortal.
I cant kill them and the box wont drop the loot becouse its locked

https://i.imgur.com/HopSuRQ.jpeg

The spiders are offscreen, becouse they would kill me lol.

edit:
snapped 1 screenshot before dying with last portal
https://i.imgur.com/popsvqU.png