Official rule text
RULES BREAKTHROUGHS This section describes the components and mechanics introduced AND SYNERGY in this expansion. A breakthrough is a new type of faction-specific component, most commonly gained by interacting with Thunder’s Edge. A THUNDER’S EDGE breakthrough will give each faction a unique new ability and grants synergy between two technology colors. EXPEDITION Synergy links twoTHE colorsICON of technology. A technology or Players may venture to Thunder’s Edge to technology specialtyLASTof BASTION a color that a player has synergy with unlock powerful new abilities and potentially can count as When the other color ships, you produce instead, for exhaust you may the purposes this of earn the right to claim the planet of Thunder’s card to place those researching technology and ships in a system for scoring that contains technology-related 1 of your command tokens, at least 1 of your Edge for their faction. Thunder’s Edge begins the objectives. Even so, a technology can only count as one or the ground forces, and no other player's ships. game in play, off the board, with its expedition Thunder’s Edge other at any given time, not both. side—the side divided into six “slices”— faceup. Expedition Side