Talk:Crystalline Flask/@comment-88.186.19.90-20121123072516/@comment-88.186.19.90-20121123105037

It's not a GP5 item, if you buy it, it's gold that's not spent in an item that lasts until lategame.

You buy 6 potions worth of regen with that item, but it costs you more in the long run because you'll have to sell it eventually. If you use it as the only source of sustain it becomes more cost-effective even when taking into account the opportunity cost at around 9 consumptions. If you sell it before using it ~9 times you are better off finding another source of sustain. The earlier you buy it, the greater the opportunity cost, but the more chances you have of making it cost-effective.

Warwick, for example, has no use for this item whatsoever.