I was confused with this, and it was not only once, but it happens from time to time to /w wrong bot. If it was changed to la-custom or custom-la everyone would understand why is like that. But like this you must to read on forum to understand, even if you don't understand..
No i did not have guardian greaves, i know very well how dota functions, and its a bug, massive regen, and yes i am aware of the dagger bug when you click it twice sometimes it gives you regen just like you are at the fountain for few seconds.http://dota.eurobattle.net/la/forum/index.php?action=gameinfo;sa=game;gid=6095939This is one of those games, i know i had lotus here also, but its not that.Check the fight with invoker at the very end, top lane, when im circling around woods running from him.Once it happened to me when i played axe, start of the game, no items, not a single one, 5hp/sec regen