Bard · Hecarim Interactions
Interaction Details
Bard
- Bard's Q
Stun cannot interrupt Hecarim's E Dash.
However, Stun still applies. - Bard's R (Zhonya's) can interrupt Hecarim's E Dash.
Hecarim
- E
Knockback and R's 
Fear can interrupt Bard's E (wall-travel) Dash. - R
Unstoppable can ignore Bard's Q Stun and R (Zhonya's) 
Stasis.
However, Stun remains after Unstoppable ends.
