Thunder and Lightning
Matter and Energy (Anti Matter and Dark Energy 3rd and 4th versions)
Ultraviolet and Infrared
Steam and Smoke
Herb and Spice
Positive and Negative/Plus and Minus (Neutral/Equal/Ground for third version)
Timber and Stone
Forest and Jungle
Tundra and Desert (Prairie or Plains for third version)
Amber and Fossil
Obsidian and Quartz
Abyss and Void
Whirlpool and Hurricane
Dust and Dew
Cocoon and Chrysalis (Imago third version)