> For the complete documentation index, see [llms.txt](https://docs.heroestd.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.heroestd.io/gameplay/boss-wave-details/pvp-mode/boss/boss-skill-details.md).

# BOSS SKILL DETAILS

### <mark style="color:red;">VIPER - THE GIANT SNAKE</mark>

Skill: **Thrush Move**\
After a period of time, Viper removes all slows and dashes forward a segment. \
During this time, the boss will be invulnerable to all slows. \
Viper has 80% resistance to effects.\
Counter: Use a lot of heroes with good damage ability.\
Movement: Ground.

![](/files/HAiYa2Ku4b9CaP4o9BQD)

### <mark style="color:red;">URUGAN - DEVIL DRAGON</mark>

Skill: **Devour**\
After a period of time, Urugan selects a Hero and lowers that Hero's Star tier by one. \
If that Hero is a Star, the Hero is immediately destroyed. \
Urugan flying in the air should not be hindered by obstacles and skills on the ground. \
Urugan has 50% effect resistance.\
Counter: Use a champion capable of large burst damage + silence.\
Movement: Air.

![](/files/7wvCqOSFXBNMyD39RJGZ)

### <mark style="color:red;">BAAL - THE SPIDER KING</mark>

Skill: **Baal's Minion**\
After a period of time, Baal called out three baby spiders to appear at the portal.\
\- Spider 1: has 1.2 speed and 10% of Baal's max health\
\- Spider 2: has 1.5 speed and 10% of Baal's max health\
\- Spider 3: has 2 speed and 5% of Baal's max health\
Baal has 50% resistance to effects.\
Counter: Use heroes that deal massive damage.\
Movement: Ground.

![](/files/rhgPH6P4teK1LwCLwGIJ)

### <mark style="color:red;">CYLOPZ - ORC WARCHIEF</mark>

Skill: **Apocalyptic Thunder Ground Slam (A.T.G.S)**\
After a period of time, Cylopz punches the ground, stunning 2 targets. \
Cylopz have 50% resistance to effects.\
Counter: Always ready a large number of champions on the platform + silence.\
Movement: Ground.

![](/files/yfoIRQLhfeiBuxrlK06M)

### <mark style="color:red;">GRIM REAPER - LUCIFER</mark>

Skill: **You Died**\
After a period of time, Grim Reaper marks a target. After 5s, the target will be destroyed. \
Grim Reaper has 50% resistance to effects.\
Counter: Prepare heroes to create obstacles, Many Hero DPS + silence.\
Movement: Ground.

![](/files/T66O3mLgrAk8pPESsSeI)

### <mark style="color:red;">Ec!ipse - Darkest Wraith</mark>

Skill: Matrix Tuxedo \
After a period of time, Ec!ipse transforms 4/10/15 heroes on the board. The number of targets increases with the Boss Level. \
After being transformed, Heroes are stunned for 1s. \
Ec!ipse has 80% resistance to effects. \
Transform: change the hero in the current location to another random hero. \
Counter: Use multiple Silence heroes + create obstacles. \
Movement: Ground.

![](/files/l4HDqCfaHfZcNRLjosxg)

### <mark style="color:red;">Dakula - The Bloodseeker</mark>

Skill: Bloodmoon \
Passive: When health drops below 40%, Dakula splits into 5 baby bats, each carrying 10% of his maximum health. When appearing will randomly bring Critical Block or Frost Armor to activate, the effect increases with Boss Level. \
Critical block: has a 50/75/100% chance to block critical hits. \
Frost armor: Reduces enemy's attack speed by 20/30/40% when taking physical damage. \
Dakula flies in the air should not be hindered by obstacles and skills on the ground. \
Dakula has 50% resistance to effects. \
Counter: Use a hero that deals magic damage with the item aeon duster. \
Movement: In the air.

![](/files/daSmayTgeYsV6EmzyE1G)