A possible concise summary is:
The speaker is trying to create an army of 50 demo dogs, which are pets that can be obtained from killing demogorgons or finding slugs. He uses various methods such as trapping demogorgons in boats or holes, breeding his existing demo dogs, and taming wild ones. He encounters many challenges and dangers along the way, but he manages to collect over a stack of slugs by the end of the video. He asks the viewers to suggest names for his demo dogs and what he should do with them in the next episode. He also promotes his website and code for international shipping.
Here are the key facts extracted from the text:
1. The speaker is building an army of demo dogs, which are creatures from the Stranger Things series.
2. The speaker has a pet demo dog named Squirt and breeds it with another one to get more demo dogs.
3. The speaker's house is attacked by wild demogorgons, which are the enemies of demo dogs.
4. The speaker uses boats, traps, and swords to kill demogorgons and collect their slugs, which can turn into demo dogs.
5. The speaker has a plan to lure demogorgons into a hole filled with animals and drown them with water.
6. The speaker ends up with over 50 demo dogs and asks the viewers for name suggestions and ideas for future battles.