Lux has no dash, so once you dodge Light Binding (Q), Zed closes with Living Shadow (W) and instantly kills her with a Death Mark (R) all-in.

Orianna has no escape, so when Zed closes the gap with Living Shadow (W) and dives with Death Mark (R), she struggles to survive.

Viktor has no early mobility, so Zed dodges his spells and dominates the lane with Living Shadow (W) all-ins.

Vel'Koz is all skillshots, so when Zed dodges with Living Shadow (W) he can't deal damage and gets closed on and killed by Death Mark (R).

Seraphine has no dash and a squishy body, so she collapses to Zed's Living Shadow (W) approach and Death Mark (R) combo.

Yasuo's Wind Wall (W) blocks Zed's Razor Shuriken (Q) and the follow-up shurikens from Death Mark (R), neutralizing his damage and all-in.

Vex's Doom 'n Gloom (P) punishes dashes with a mark and fear, so Zed's Living Shadow (W) and Death Mark (R) shadow movement gets countered outright.

Malphite tanks Zed's combo with armor stacking and the Granite Shield (P), then retaliates with Seismic Shard (Q) slow and Unstoppable Force (R).

Lissandra self-casts Frozen Tomb (R) to negate Zed's Death Mark (R) burst, then retaliates with the Ring of Frost (W) root.

Pantheon pressures Zed from the early game with the Shield Vault (W) leap stun and Aegis Assault (E)'s frontal damage block, cutting off his all-ins.