Diablo Immortal Hell Reliquary Boss Guide: Tactics and Builds

I’ve run Hell Reliquary dozens of times and I’ll be blunt: it’s a test of timing, builds, and teamwork. I’m writing from experience (yes, I’m a woman who raids a lot), and you’ll get clear, practical steps — why they work and when they won’t.

What Hell Reliquary is — fast

Hell Reliquary is Diablo Immortal’s rotating endgame dungeon with weekly boss rotations and increasing difficulty per chamber. You need Reliquary Keys to enter; they drop from endgame sources like Elder Rifts, Helliquary raids, and certain events. That’s the entry cost. Simple.

Want the best loot? Aim for the highest difficulty you can clear reliably in 10–15 minutes. If you can’t, the time-cost kills efficiency. I’ve noticed people chase Hell V without stable clears and waste keys — that won’t work the way you expect.

How difficulty and rewards actually work (what devs said and what we found)

Blizzard hasn’t published exact drop tables as of March 12, 2025, so the community tracks samples. From our logs (hundreds of runs), gem and set drops scale with difficulty, but exact percentages vary by rotation and group size. Here’s a practical view rather than a promise:

Tier	Observed gem chance* (approx)	Set piece frequency
Hell I	~10–15%	Common
Hell III	~20–30%	Frequent
Hell V	~40–50%	Common but skewed to high-tier pieces

*Samples from public trackers and clan logs; not official. There are exceptions.

Boss fight basics — what you must learn

Bosses change behavior at approximate health breaks (roughly two major transitions), opening short vulnerability windows. Learn those windows. Why? Because timing damage into them multiplies efficiency — you get more value per second of DPS. Oddly enough, the game rewards controlled bursts more than constant spam in many fights.

Environmental hazards matter: fire lanes, ice patches, poison clouds, and collapsing floors appear often. Use mobility tools and positioning to avoid them. Put simply: stop getting boxed in.

Hazard	Effect	Counter
Fire	Damage over time	Move, fire resistance, cleanse
Ice	Slow / control	Teleports, crowd-control immunity
Collapse	High damage / wipe	Predictive movement, dash skills

Class notes and builds — practical, not theoretical

Here’s what works in my experience. I keep multiple armory pages and switch between them per boss. This isn’t optional if you want consistent clears.

Barbarian (recommended core):
Primary: Lacerate
Key: Survivability + steady DPS
Gems: high rank on sustain gems (priority varies)

Demon Hunter: great for mobility and ranged mechanics. But controversial: I think DH gets overrated in guild chatter — mobility helps, yes, but raw uptime often loses to sustained DoT teams in long fights.

Necromancer: top utility. Bone Spear for single-target, Corpse Explosion for adds. We found necro combos carry team clears more than expected.

Positioning, movement and rhythm

Two quick rules: don’t sit at the center; don’t tunnel-vision your damage bar. Why? Being on the edge gives you escape paths and lets you re-enter windows quickly.

Practice animation-canceling when it’s safe. That’s where good players pull ahead: small timing wins stack into faster clears. Here’s a short checklist I use mid-fight:

1. Spot boss tell
2. Move perpendicular
3. Keep damage going while repositioning
4. Exploit the vulnerability window

Team composition — what actually works

I favor a 2-1-1 composition: two sustained DPS, one support, one tank. That balance handles timers and repeated mechanics better than stacking glass DPS. Some teams do stomp with 3 DPS + healer, but that’s niche and depends on player skill.

Communication matters: agree on calls like “Scatter”, “Burn”, “Hold”. Short, clear, practiced calls save wipes. Ask yourself: are we communicating—or guessing? If the latter, you’ll wipe a lot.

Loot and farming tips (practical)

Keep expectations realistic. Legendary gems are rare; five-star variants are very rare. If you need a specific piece, focus the week’s rotation and swap builds. This isn’t glamorous, but it works.

Tip: aim for consistent clears at a time-cost you can repeat. A 12-minute reliable clear beats an inconsistent 7-minute clear that wipes half the runs.

Want exact numbers? There aren’t any official ones; trackers update constantly. I check my logs after each reset (Monday morning, US time) and adjust priorities.

Advanced tips and one weird insight

Watch aggro and threat. You can manipulate boss targeting enough to open big damage windows. It feels like chess with swords. Here’s the counterintuitive part: sometimes backing off for 3–4 seconds to avoid mechanic damage increases your long-term DPS more than staying and tanking tiny hits. Try it — you’ll see the difference.

Also, Monks as pure supports are underappreciated. They swing clears more than people credit. Controversial? Maybe. But we found this in clan logs (March 2025).

Quick reference — callouts, common counters

• Scatter — break formation now
• Burn — all damage on boss during vulnerability
• Hold — pause DPS to handle a mechanic

By the way, save one slot for a mobility or cleanse skill per build. You’ll thank me later.

Parting practicalities

Adapt. Test. Record your runs. I record every clear and review timing and deaths — that’s how we improved from 30% wipes to consistent clears in three weeks (February–March 2025). This doesn’t always work for every team; it depends on your niche and players. But for most groups, the pattern holds.

One last honest note: you’ll get frustrated. That’s normal. Keep the runs short, keep the resets planned, and don’t burn keys on bad nights. Between us, pace matters more than pure greed.

— Elena (I lead raids and write guides for players who want practical advice)