When the new edition of Warhammer 40k launched, Games Workshop made theTyranids 10th edition rulesfree to download in Index Tyranids from the Warhammer Community website. Those rules are now out of date, with the release of Codex Tyranids, but they're still accessible online if you're happ...
1: Codex: Tyranids (5th Edition), pg. 70 2: Codex: Tyranids (3rd Edition), pg. 39 3: Codex: Tyranids (8th Edition), pg. 48 4: Strangler and Skewer (saved archive page, dated March 2007) 5: Codex: Tyranids (4th Edition), pg. 40 6: Codex: Tyranids (10th Edition) 6a: pg...