Fear of losing something or appearing weak to an opponent is a very powerful barrier to negotiation. (slaw.ca)
The researchers found that it was possible to combine the gel with silica nanoparticles — microscopic particles previously found to stop bleeding — to develop an even more powerful barrier to promote wound healing. (sciencedaily.com)
Ether powers the girls» powerful Reflector forms, and can be saved up to do more damage or erect powerful barriers for the party. (playstationlifestyle.net)