Hermit's Hill (hero)
site
Wold & Foothills
[Ruins & Lairs; site path Wi, opponent draws: 1, you draw: 1]
Nearest Haven: Lórien
Playable: Items (minor)
Automatic-attacks: Men - 3 strike with 6 prowess
Special: During the site phase, a company may discard two minor items they bear to make any one major item (including a hoard item) playable here that turn.
Hermit's Hill (minion)
Playable: Items (minor)
Automatic-attacks: Men - 3 strikes with 6 prowess
Special: During the site phase, a covert company may discard two minor items they bear to make any one gold ring item (regardless of its text restrictions) playable at this site this turn.
According to Hidden Haven text, it is pretty clear that you can't play minor items at Hermit's Hill. Howewer, can you still discard two minors at the site to play a major item? (gold ring in the case of minion version)Hidden Haven
Rarity: C4
SP: 1
Permanent-event
Playable on a non-Dragon's lair Ruins & Lairs in a Wilderness, Border- land, or Shadow-land ; the site must normally be a Ruins & Lairs. This site becomes one of your Wizardhavens and loses all automatic-attacks. Nothing is considered playable as written on the site card. If one of your companies is at this site, all attacks against it are canceled. Other Fallen-wizards may not use this site as a Wizardhaven. Discard this card when the site is discarded or returned to its location deck. It cannot be discarded otherwise.
My interpretation of this issue, is that hidden haven text doesn't go so far into preventing what would be playable at the site if certain conditions were met. However, I'm afraid it's only an interpretation and it needs a more solid reason, and probably a ruling.