Three Watch Drum: Underworld Master-exclusive skill, battlefield time skill, semi-environmental skill.
Consumes 1,000 mana to drag the battlefield's time and weather into the dead of night, when Yin Energy was at its strongest and the undead were at their most powerful. All undead present during this time would have their combat power increased. The extent of the increase depended on the player's level, the undead's level, and the battlefield's range.
Note 1: Though yin was yin and yang was yang, Yin Energy could still arise in the Living World at certain times.
Note 2: By investing more mana, it could create the Yin Energy enhancement effect of the Mid-Autumn Festival's Three Watch Drum.
River of Forgetfulness: Underworld Master-exclusive skill, elemental combination skill.
Consumes 1,000 mana to release a River of Forgetfulness at a designated location. A Water Element river was prioritized, followed by an Air Element poisonous mist river, while a Fire Element Magma River and an Earth Element quicksand river were the least preferred. The River of Forgetfulness could serve as a defensive line or an offensive vanguard, and it could also be incorporated into the Yellow Springs Road.
White Bone Earth Spike: Necromancer skill. Learnable after Corpse Explosion reached level 20.
Consumes 10 mana to release a large number of White Bone Earth Spikes at a designated location, attacking and slowing all enemies. Its attack power was equivalent to the user's Intelligence multiplied by 30.
Death Scenery: Special death skill, finishing skill, upgradeable.
When an enemy's health fell to 20%, the finishing skill could be activated, directly killing the enemy and turning them into part of the scenery along the road. Aside from immunity to instant-death effects, no other method could negate the finishing effect.
Death Sorcerer Wisdom: Death Sorcerer Lord-exclusive skill, upgradeable.
Consumes 200 mana to fuse