When he surfaces he rolls LD and eventualy deviate from orginal point. But what if he tunnels again and than surfaces - does he roll again. I'm asking becouse for me it looks like he has 2 slightly different abilities: tunnel and earth moving. Tunnel works for him as for any other model (so he wont roll for deviation). And there is second ability - earth moving - it gives him a chance to start game under the surface etc. but requiers deviation roll. A'm I right? (Earth moving works only until he first tim surfaces, and than you use tunnel and thus do not roll for deviation)