Complex sentence: Savinga combines with Whitz Wolf, a Wolf type Zoid, to form Whitz Tiger but it's speed goes down to 305km/h, quite a drop from 820km/h.
Split into simpler sentences: Savinga combines with Whitz Wolf, a Wolf type Zoid, to form Whitz Tiger. Savenga's speed goes down to 305km/h, quite a drop from 820km/h.