It very much depends on what you ask and how. You could argue that Gnome got banned from chat for less than the picture shown before you click play on that video. You could argue that as soon as we remained very much professional, we could argue about stun frames and damage numbers of kicks to the groin just fine.
I don't have a definitive answer for you beyond what the content policy says:
Sexually Explicit Material. Accounts that use Stack Exchange to post sexually explicit or pornographic material, or links to it, will be suspended.
To be on the safe side of things:
- Avoid screenshots
- Avoid describing the "special attacks"
- Keep it PG-13
- Be aware at all times that this game is highly likely to be exceedingly bad given the gameplay shown in the original video looks dreadful, so covering it is not exactly a priority.
- Be prepared to the possibility that your question (or answer) could cost you 100 reputation + downvotes if 5 people believe it's over the line.