Goredome

Goredome will place a red marker on the field and charge for that area. Move out of the field before he reaches it or he will one shot you.

http://www.youtube.com/watch?v=ABhODRZq5S4&t=2m44s

This is one of the bosses in the new solo arena Brawler's Guild. It's bolded in the full list of bosses below.

Rank 1:

1. 
   
2. Bruce
3. 
   
4. Vian the Volatile
5. 
   
6. [Goredome]
7. 
   
8. Dungeon Master Vishas
9. 
   

---------------------------------------

Rank 2:

1. 
   
2. Dippy
3. 
   
4. Kirrawk
5. 
   
6. Fran & Riddoh (Fran / Riddoh)
7. 
   
8. King Kulaka
9. 
   

Rank 3:

1. 
   
2. Blat (Adds)
3. 
   
4. Sanoriak
5. 
   
6. Ixx
7. 
   
8. Mazhareen
9. 
   

Rank 4:

1. 
   
2. Crush
3. 
   
4. Leona Earthwind
5. 
   
6. Dominika the Illusionist (Adds)
7. 
   
8. Deeken
9. 
   

Rank 5:

1. 
   
2. Millie Watt <Ultra Master Engineeress>
3. 
   
4. Fjoll
5. 
   
6. Proboskus
7. 
   
8. Leper Gnome Quintet (Fleasy / Greazy / Queasy / Sleazy / Wheezy)
9. 
   

Rank 6:

1. 
   
2. Yikkan Izu
3. 
   
4. Akama
5. 
   
6. Smash Hoofstomp
7. 
   
8. Unguloxx <The Murderaffe>
9. 
   

Rank 7:

1. 
   
2. GG Engineering (Bo Bobble / Max Megablast / Shield Generator)
3. 
   
4. Dark Summoner (Tormented Ghost)
5. 
   
6. Battletron
7. 
   
8. Meatball
9. 
   

Rare Challengers:

1. 
   
2. Epicus Maximus <Destructobyte's Ultimate Replica>
3. 
   
4. Disruptron Mk. 3R-Alpha
5. 
   
6. Millhouse Manastorm
7. 
   
8. Zen'shar
9. 
   

the ability he casts is [spell=134527]

it has a 1 second cast time based on data i pulled in game from his channeling info for my DBM mod for him