Slaughtneil retained their title in dramatic circumstances as two goals more than ten minutes into stoppage-time broke Kevin Lynch's hearts.
In a stunning end to a gripping encounter in Owenbeag, Sé McGuigan found the net in the 70th minute and then Gareth O'Kane won it with a 73rd-minute flick past Brian Lagan.
The game had been delayed for 16 minutes when Dungiven full-back Conal McCloskey suffered a suspected broken ankle.
Having found the net in the first half through Niall Ferris to hold a 1-6 to 0-4 interval advantage, the Dungiven men looked to won when Mark Craig put his side five ahead.
Scorers: Slaughtneil: G O'Kane 1-2 (2fs), M McGuigan 0-4, S McGuigan 1-0, C McKaigue 0-2f, B Rogers 0-2, C O'Doherty 0-1. Kevin Lynch's: M Craig 1-2, N Ferris 1-1, P McCloskey 0-4f, R O'Kane 0-1, T Brady 0-1.
Slaughtneil: E McGuigan; P Kearney, S Cassidy, B Óg Corbett; K McKaigue, C McKenna, J Mulholland; G Bradley, C McKaigue; G O'Kane, M McGuigan, S McGuigan; O O'Doherty, C O'Doherty, B Rogers. Subs: M McGrath for O O'Doherty (19), M Kearney for Corbett (76).
Kevin Lynch's: B Lagan; D Kelly, C McCloskey, K Farren; A McCloskey, L Hinphey, P Kelly; C Herron, M Craig; C McKeever, C Mackle, R O'Kane; N Ferris, P McCloskey, K Hinphey. Subs: P Cunningham for K Farren (33), E Farren for C McCloskey (43), C O'Kane for R O'Kane (60), T Brady for P McCloskey (60).
Referee: G Duffy (Antrim).