Well, today I tried to repeat Sage's battle with the BD - everything really works out, and it's actually quite simple... just time-consuming! And another thing - you have to carefully track the moment when Haste ends. Also, the first 2 times I managed to miss the placement of the Force Field:o But otherwise - thank you very much for the valuable lesson!!!
As for the puzzle from VDV, I just can't get it :( Alas.... Oh well, I'll have to wait until someone reveals the secret - apparently, I'm not cut out for this:o :D