Forgotten realms. Icewind Dale trilogy

Drizzt Do'Urden has settled in the windswept towns of Icewind Dale. There, he encounters a young barbarian named Wulfgar, captured in a raid and made the ward of a grizzled dwarf name Bruenor. With Drizzt's help, Wulfgar will grow from a feral child to a man with the heart of a dwarf, the instincts of a savage, and the soul of a hero. But it will take even more than that to defeat the demonic power of Crenshininbon, the fabled Crystal Shard.

The dark elf Drizzt Do'Urden and Wulfgar the barbarian race to Calimport to rescue their friend Regis and his stolen gem from the vengeance of Pasha Pook. The Halfling's Gem Assassin Artemis Entreri whisks his kidnapped victim, Regis the halfling, south to Calimport and into Pasha Pook's vengeful hands. If Pook can control the magical panther Guenhwyvar, Regis will die in a real game of cat and mouse. Using an enchanted mask, dark elf Drizzt Do'Urden...