I appreciate the motive to want to "revive" forum activity. Trust me when I say my undying love for the forums - I will carry to my grave. This could be for numerous reasons mostly stemming form the attachment that manifested during childhood and my teen years, the sense of community and gaming, mixing with people online was birthed right here in this community. I am also in agreement that discord does not hit right.
However, it is important to recognize the reason it doesn't hit right is because we share an unconventional attachment with the forums which leads us to seek organization in places where it is in the modern day deemed unnecessary. If we were to delve into the multitude of reasons why discord takes precedence over the forums, it'd be a long conversation to say the least. There's no point waiting around for hours & days for the appropriate people to come around and respond to your messages. I've resolved matters over discord in 5 minutes that would've otherwise taken over 48 hours in the forums. IRC was a substitute and again mind you I was and am a big fan but Discord just provides a range of features that are more convenient in every way imaginable. For this very reason, Toribash forums will remain as an archive for most purposes and seldom entertain posts that require some legroom to stay up for a while (such as events, rules etc).
Its solely reliant if the management team decides the forum to serve a purpose for functionality and / or entertainment it currently cannot bear, which is highly unlikely.