Wyvern folklore is rarely fire-breathing like the four-legged dragon. Sometimes modern fantasy book and media authors have wyverns that are frost-breathing or poison-breathing instead of fire-breathing. The current spelling "wyvern" is not attested before the seventeenth century as "winged two-footed dragon". According to the Oxford English Dictionary, it is an alteration of Middle English "wyver" (attested thirteenth century), from Anglo-French "wivre" (cf. French "guivre" and "vouivre"), which originate from Latin "vīpera", meaning "viper", "adder", or "asp". Conversely, medievalist William Sayers proposes a more complex origin for the term. He notes that the Anglo-French "guivre" and its Middle English derivative ceased to
Eye of the Wyvern the game system, with a "What is Roleplaying?" section and an introduction to the basic "D&D" concepts of character stats, character class, and race. "Eye of the Wyvern" was published by TSR and written by Jeff Grubb. Scott D. Haring reviewed "Eye of the Wyvern" for the online version of "Pyramid" on March 19, 1999. He felt that "Eye of the Wyvern" has "enough hooks to keep players interested, but is otherwise straightforward and to the point -- exactly what this kind of product needs to be". Haring summarized his review stating ""Eye of the Wyvern" doesn't have very high