Using Ring of Frost extensively during Beta heroics, I was surprised at how incredibly useful (and fun) the spell is. We know it might fall into a sharper niche in 10 man raid content, but firstly lets talk about how it actually looks now:
- The latest Animation is perfect:
YouTube - WoW Cataclysm , new mage Ring of Frost | 15.10.2010
- Two concentric circles, with the inner one giving a visual distinction between Rof 'charging up' and being active to Freeze targets. Looks a bit like a Stargate when it's being dialled.
- Strikes a good balance between the animation being too noisy (like several beta builds ago) and too uninteresting (like the start of beta)
In terms of use, the 2 minute cooldown is perfect. It's short enough that I feel encouraged to use Ring of Frost liberally, and compelled to give the spell a good location on my action bars. A three minute cooldown, however, instead felt like it served to just push RoF towards the 'gimmick category' spell - and served to discourage frequent use, and as a result, you wouldn't give it prime real estate on your action bars.
With one click, an astute mage can use RoF for enormous benefits. Pull an extra pack? Stun them all in RoF before they reach you. Your healer got stunned/interrupted? Use RoF to stun all current mobs to lighten the healing until they can catch back up. Your tank can't reach those incoming adds in time? Stun them. Starting the zerg phase on a boss? RoF any current adds and focus the boss instead. Several adds casting and don't know which to interrupt? Stun them all, with careful placement of your RoF.
I found myself often using the spell as a way to temporarily lighten the load on healing on difficult pulls, not necessarily just to freeze mobs for full duration far away from combat.
Ring of Frost doesn't agro PvE mobs until they are actually Frozen. They just sit there under the ground animation, until the inner ROF circle finishes rotating and Freezes them. Therefore, Mages can initiate difficult pulls safely out of combat with Ring of Frost, allowing tanks to go in afterwards with ease.
Much of this sounds obvious, and will be to those on beta familiar with the spell. But the best thing about Ring of Frost is: it doesn't use itself. You still need a skilled, astute mage with good situationally awareness of their surroundings. They can opt to use RoF either aggressively or defensively. But it still doesn't use itself, and not everyone will be able to leverage the full situational power of the spell.
I do hope the spell doesn't get pushed into a too-fine niche for 10 and 25 man raiding. It's up to Blizzard encounter designers to avoid that happening. But in terms of levelling and heroics, the spell has stunning potential. Pun intended!