Reach a worm burrow on the 5th cursed world

Reach a worm burrow on the 5th cursed world 'Curse the agony of regurgitation, Curse this this feeble flesh that still confines me! My brethren were reborn, rising from the blessed dust as new tendrils. Glistening capillaries to the great veins, slithering away into the sand. I will be patient. Until the next storm.' Follow a Titan Worm as it swoops across the planet. Use the Target Sweep to find the holy ground where they retreat to the planet's core. Find this Titan Worm burrow near the final rendezvous.