I took water dragon isle. There's a mammoth beneath you that esentially does keep order (Speaking of, "I wonder" why water Dragon did not react on Dwarves destroying fairies. The only conclusion I draw is it did not want to interfere because it knew Serge's coming), there's bunch of overgoes and undergoes of creeks, stones, pretty environment, fresh air, it's an island, and you're surrounded with pretty fairies. One for massage, one as geisha,one for cooking, and so forth.
But, I'd choose something that isn't offered. I'd go either to Chronopolis, which is simply stunning, or to Dead Sea beyond Pearl gates., the one in ruins...thrilling indeed...