Another match ID for reference: 51703261.
Abrams went from 21.2k damage down to 2.1k damage in the last 4 min 23 seconds. Very similar to the time round 5 took, 4:15, though it could be coincidental.
If Lady Geist uses life drain on an opponent that then becomes untargetable/invincible, then, if a barrier is up, Life Drain will continue to damage the barrier.
The same is true for (at least) Pocket Affliction DOT and Infernus Flame Dash.
Tested in Sandbox with both Ethereal Shift and...
