Karthus

Strengths

• Reliable spell pressure in lane and objective setups
• Strong zone control when fights happen in narrow areas
• Can influence multiple lanes through ganks and objective control
• Scales well with items and coordinated peel
• Has strong access to river fights and map rotations

Weaknesses

• Can be vulnerable when key cooldowns are down
• Often needs good positioning to survive hard engage
• Can lose tempo if early pathing is punished
• Depends heavily on positioning and support coverage
• Can be punished by jungle pressure when pushing for priority

Synergy

Best teammates

Counters