NHL league-average second line ppg ~1.5–1.7, a genuinely good one ~1.8–2.0, and elite ones above 2.1
Demidov-Kapanen-Slaf is as good as it gets for the Habs. They should let them grow together.
Trading Caulfield is what can get Habs a genuine 1st line winger build for the playoffs. No 2C. Big D.