Skill Combination Effects
From EotAWiki
Some heroes' skills can be combined to create an additional effect. (These were all I could remember, I would appreciate assistance with the rest. -siege)
United Creeps
Nightmare + Spire
- Units hit by spire under the effects of nightmare will be frozen for a short amount of time and damaged (broken in 1.12)
Encouragement + Rebirth
- When a unit enchanted by rebirth is sacrificed by encouragement a flying unit is spawned from it's corpse
Nightmare + Howl
- Waking units from a nightmare with howl deals damage and instantly wakes them
Elven Brigade
Flame of the Devout + Dash
- Dashing through the flame leaves a burning trail behind that deals damage to enemies that come into contact with it
Tempest + Ebb and Flow
- Casting Tempest while under the effects of Flow will make the waves come out faster
Maelstrom + Incinerate
- Incinerating the tornadoes created by Maelstrom will light them aflame, adding unit damage to the existing building damage effect
Tactician Banner
Soul Binder
- Flaming Orbs - causes the banner to gain an attack
Divine Wizard
- Lightning Focus - deals damage to nearby enemies
Rune Knight
- Dismantling Aura - reduces armor of nearby enemies
Aeromancess
- Concentration Aura - increases mana regeneration of allied unitds
Arcane Archer
- Trueshot Aura - increases ranged damage of allied units
Blazing Priest
- Burning Banner - deals damage to close enemies
Infiltrator
- Trapped Banner - acts like a detonating explosive when detroyed
Time Cleric
- Endurance Aura - increases the speed of allied units
Grim Brigade
Mortal Strike + Thunderstrike
- Hitting Rue with Thunderstrike charges his blade, allowing Mortal Strike to deal more damage
