ToME: the Tales of Maj'Eyal

I'm at level 2 below Lake Nur and there's a source of Dream Seeds (those irritating small bubbles) - but it's in an unconnected room, and I'm constantly interrupted while digging.

Now I can ignore that room, of course, but what other options do I have? Is there any way to dig without getting interrupted?

Nithans Force t5 sling has a multi-tile dig deffect.

Some mindstars have the 'Burrow' ability.

You could use phase door runes and hope for a lucky teleport.

Spellblaze Echoes amulet could blast the walls down.

So could Crown of Burning Pain meteor ability (or meteor prodigy), temporarily