Rubies

An in-game currency used for unlocking units (unique units and secondary guardians) and tribes. They can be earned from: On average, you can get 170 rubies per day from daily tasks and gifts, it is recommended to watch 4 ads to double that to 340 rubies. Including quest points earned, (which helps to get the roulette reward) you earn up to approx 400 rubies per day. Therefore, the best way to get rubies is from welcome gift, which gives almost enough to get a new tribe.
 * welcome gifts for the first 7 days (total of 9800 rubies)
 * earning stars for tribes (max 1500 rubies/tribe) (900 rubies if excluding laurels)
 * daily gifts (40-100 rubies/ 20h) (can be doubled by watching ads)
 * daily tasks (30 +40+50 rubies/ 20h) (can be doubled by watching ads)
 * roulette reward (200 rubies/ 250 quest points, small chance of 100 more rubies from roulette)
 * purchasing tribes (3000 rubies/ tribe)