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Official rule · Prophecy of Kings · Rule 90.8

System Tiles

Official rule text

90.8 Most technology cards have a column of colored symbols The Nekro Virus faction can use its faction abilities in combination displayed in the lower-left corner of the card. Each symbol in with its two “Valefar Assimilator” faction technologies to gain this column is a prerequisite. faction technologies that have been researched by other players, including unit upgrades. a A technology card’s prerequisites indicate the number and

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Source: Twilight Imperium: Fourth Edition - Living Rules Reference: Prophecy of Kings
Expansion: Prophecy of Kings
Version: 2.0
Reference: Rule 90.8

Related System Tiles rulings

90.1Each player places any technology another are hyperlane tiles. Hyperlane tiles are not systems. they have gained faceup near their RELATED TOPICS: Adjacency, Anomalies,...90.5If an ability instructs a player to gain a technology, they do not 90.12 When researching technology, a player must satisfy each research it; they take it from their technology...90.6Some technologies are unit upgrades. Unit upgrades share a on the technology card they wish to research. name with a unit that is printed on a player’s faction sheet. a...90.7Each technology that is not a unit upgrade has a colored symbol displayed in the lower-right corner of the card and on its card c Players may use certain abilities or...90.9has a Valefar Assimilator token on it, the Nekro Virus player A player can research technology by resolving either the primary places that technology in their play area; it is...90.10To research technology, a player gains that technology card docks must be placed on an eligible planet they control in that from their technology deck and places it in their...90.11A player cannot research a faction technology that does not suns are returned to their reinforcements. match their faction. 90.21 The Nekro Virus player may upgrade their units...90.13technology specialty is a technology symbol found on some a matching color when researching other technology. planets. b Unit upgrades do not have a color and do not satisfy90.14When researching technology, a player can exhaust a planet prerequisites. they control that has a technology specialty to ignore one c There are four colors of technologies as...90.15If the planet card is already exhausted, it cannot be used to ignore a prerequisite. Biotic Warfare Propulsion Cybernetic90.16Official rule reference90.17Basic units printed on faction sheets are not technologies and color of technologies a player must own to research that technology card. are not eligible targets for “Valefar...90.18If a player becomes eliminated while one of their technologies90.20If a Valefar Assimilator token is removed from a war sun unit faction sheets, covering the unit that shares a name with that upgrade and the Nekro Virus player does not have...90.22When a Valefar Assimilator token is on a technology, that b The chosen players can only use the secondary ability once, technology’s color and type count toward objectives. and...