You need flags through Rallos Zek the Warlord to enter Solusek Roβs chamber. Kill the five minis and click the flaming cauldron after each. Warders spawn on the path after a mini dies. Be in the room.
Five staircases from zone-in, left to right: Xuzl, Arlyxir, Jiva, Rizlona, The Protector of Dresolik. Click the extra shiny orange square in the center for Solusek Ro.
The minis and Solusek respawn in 3 days.
Xuzl
Far left staircase. Pull a conjured automoton (103.6k) out of the room.
Keep the fight in his room. If he is pulled into the hallway he ports home, wipes hate, and heals.
He is Slowable. Dual Wield. Enrage. Hits 1030. 600k HP. Wrath of Xuzl summons animated swords.
<Xuzl> - CH Chain: 4sec, 6sec slowed, Hits 1030, Dual Wield, Slowable, Keep in room, Casts: Wrath of Xuzl (Summon Pets, 48s recast), 600k HP
Click the flaming cauldron.
Arlyxir
Second staircase from the left. Clear the room.
Keep the fight in her room. If she is pulled toward the hallway she ports home, wipes hate, and heals.
She is Slowable. Dual Wield. Enrage. Hits 1030. 750k HP. She is mezzable. Unity of Fire is 35 DS. Dispel it. At 12.5 minutes she full heals and casts Searing Flames.
<Arlyxir> - CH Chain: 4sec, 6sec slowed, Hits 1030, Dual Wield, Slowable, Mezzable, Keep in room, Casts: Unity of Fire (Self, 35 DS + 35 FR), full heal at 12.5 min, 750k HP
Click the flaming cauldron.
Jiva
Center staircase. Clear a guardian of Jiva (80k, hits 882) in the hallway.
He is Slowable. Dual Wield. Enrage. Permarooted. Always Calls for Help. Hits 1030. 700k HP. Adds every 45 seconds. Kill them. Reckless Mutterings is a PBAE (500 DD + ATK -50). Draught of Jiva proc (688 DD + stun).
<Jiva> - CH Chain: 4sec, 6sec slowed, Hits 1030, Dual Wield, Slowable, Permarooted, Adds every 45s, Casts: Reckless Mutterings (PBAE, 500 DD + ATK -50, Fire -300, 20s recast), Procs: Draught of Jiva (Single, 688 DD + stun, Magic 0), 700k HP
Click the flaming cauldron.
Rizlona
Second staircase from the right. Clear a guardian of Rizlona (26.5k).
Keep the fight in her room. If she is pulled out she ports home, wipes hate, and heals.
Human form is Slowable. Dual Wield. Hits 843. 300k HP. Flame Song of Ro is a PBAE (850/tick). On death she spawns as a dragon. Dragon hits 1515. 600k HP. Dual Wield. Does not See IVU. Not Immune to melee except magical. Lava Breath is a Targeted AE (500 DD + dispel). Recast buffs.
<Rizlona> - CH Chain: 2sec, 3sec slowed, Hits 843 then 1515, Dual Wield, Slowable, Keep in room, Human: Flame Song of Ro (PBAE, 850/tick, Fire -100, 12s recast), Dragon: Lava Breath (Targeted AE, 500 DD + dispel, Fire 0, 12s recast), 300k then 600k HP
Click the flaming cauldron.
The Protector of Dresolik
Far right staircase.
Four Guardian of Dresolik (285k, hits 770) in the chamber. Rampage. Dual Wield. Slowable. Fist of Lava proc. They port home if pulled out of the room. The last death spawns the Protector.
He is Slowable. Rampage. Dual Wield. Hits 1030. 800k HP. Fist of Lava proc (150 DD + 3s stun).
<The Protector of Dresolik> - CH Chain: 4sec, 6sec slowed, Hits 1030, Rampage, Dual Wield, Slowable, Procs: Fist of Lava (Single, 150 DD + 3s stun, Fire -150), 800k HP
Click the flaming cauldron.
Solusek Ro
Click the extra shiny orange square in the center. You need all five mini flags.
Two Guardian of Fire aggro at zone-up. Six total (130k, hits 1431). Dual Wield. Slowable. Unity of Fire (35 DS). Clear all six. They respawn in 58 minutes.
Keep Solusek Ro on the platform. If he is pulled down under 50% he heals 100k and pulls idle Guardians onto him.
He is Slowable. Rampage. Dual Wield. Hits 1913. Attack delay 9. 850k HP. Dispel Corona of Sol (150 DS). Solar Flame is a 2000 DD. Solar Winds is a Targeted AE (1000 DD). Ranged DPS stay max range.
<Solusek Ro> - CH Chain: 2sec, 3sec slowed, Hits 1913, Rampage, Dual Wield, Slowable, Keep on platform, Casts: Solar Flame (Single, 2000 DD + ATK -50, Fire -400, 24s recast), Solar Winds (Targeted AE, 1000 DD + ATK -50, Fire -400, 48s recast), Corona of Sol (Self, 150 DS, dispel), 850k HP
Hail the Planar Projection at the chamber entrance. Drop into the floor door next to it to zone into Plane of Fire.