Does WildTornado have a no deposit bonus?
WildTornado's headline offers are deposit-based rather than a standing no-deposit bonus. No-deposit spins do appear from time to time through seasonal promotions, so the honest answer is: check the promotions page for a live no-deposit deal, and don't rely on a permanent one.
If you want the lowest-risk way to test the casino without a big commitment, a small first deposit is more reliable than waiting for a no-deposit offer — see the $1 deposit guide. The standing value is in the welcome bonus and free spins.