Diablo 2 Remaster

Reign of the Warlock and Season 13 have changed what efficient farming looks like in D2R. The old idea of spamming one map forever still works for classic loot, but the strongest hourly results now come from a route system that reacts to the Terror Zone rotation and prioritizes elite density for Herald progress. That makes your route choice more important than your Magic Find number. If you are a Warlock, you can lean into this even harder because Warlock clears dense packs quickly, has strong control tools for ugly elite modifiers, and can stay efficient across more Terror Zone tilesets than many older builds. The goal of this guide is not to list every possible spot in the game. The goal is to give you a repeatable route framework that you can run every session, plus Warlock tailored variants for different gear levels and different goals, including Herald farming for Latent Sunder Charms, rune income, and base hunting for Diablo 2 runeword crafting. 

Route Philosophy in Season 13
A good Season 13 route is a system, not a place. You want a primary plan that is always available, and a Terror Zone overlay that you switch on whenever the current zone is high value. This solves the biggest problem most players have: wasted minutes. If the active Terror Zone is a slow layout, you do not brute force it for 30 minutes. You pivot into an always good loop like Chaos Sanctuary or Travincal and keep earning. If the active Terror Zone is a premium layout, you commit and farm it hard, because that is where your Herald spawns and Sunder Charm attempts scale. Warlock is perfect for this because it can run both styles without retooling your whole character. In practice, you are optimizing three metrics at once: elites per minute, travel time per reset, and how often you are forced to town for merc resurrection, repairs, or potion restocks. When you think like this, your gear upgrades become obvious. Anything that increases movement, removes mana downtime, or stabilizes dangerous packs is a direct farming multiplier. That is why D2R runewords like Enigma, Insight, and Call to Arms matter as much as raw damage on paper.

The Core RotW Route Map
Most strong sessions follow a simple pattern that adapts to the Terror Zone rotation. Start your session by checking the active Hell Terror Zone. If it is a high density zone, you run it as your primary farm and aim for repeated Herald triggers by killing unique and champion packs quickly. If it is a low density zone or an awkward dungeon, you switch to your stable base loop. The base loop for most players is built from level 85 areas and fast boss access because those routes produce the widest range of uniques, sets, high runes, and tradable bases. Warlock should treat the base loop as your guaranteed value engine, and the Terror Zone as your spike window where you chase Heralds and Sunder Charms. This pairing also helps your stash management. Terror Zone windows are short, so you keep pickups strict and speed focused. Base loops are more relaxed, so you can afford to check more bases and identify more rares. The best part is that both loops feed each other. Terror Zones give you Sunder Charm chances and big experience. Base loops give you the steady rune and item income that funds runewords and merc upgrades, which in turn make your Terror Zone runs faster and safer.

Warlock Route Variant 1: Budget Ladder Plan
If your Warlock is still in the early ladder gear phase, your best farming route is the one you can run without dying and without constant resets. You want zones with simple navigation, high pack density, and predictable danger levels. Your goal here is not perfect drops. Your goal is to build a bankroll fast, then buy or craft your stepping stone upgrades. On budget, Warlock shines in routes where you can chain kills without being forced into long single target fights. You also want routes that do not demand teleport to be efficient, because your first big runeword goals will often be Spirit, Lore, Smoke, Insight, and then a longer climb toward Enigma or Infinity depending on your plan. A strong budget route pattern is: pick the current Terror Zone if it is open and dense, otherwise run a short level 85 loop and add one fast boss target at the end if your build handles it cleanly. This phase is where discipline matters. Keep your resists stable, keep your merc alive with a cheap but functional setup, and prioritize kill speed over stacking Magic Find too early. When your clear is smooth, your drops per hour rise even with moderate MF.

Warlock Route Variant 2: Herald Focused Terror Zone Farming
This route exists for one purpose: maximize Herald encounters during the 30 minute Terror Zone window. You treat elite packs as fuel and you avoid low value clearing. Warlock is strong here because it can delete elite clusters fast and can control dangerous modifiers with debuffs, slows, or minion pressure depending on your build style. The route itself is a pacing strategy. You enter the Terror Zone, sprint to the first elite cluster, kill it, then move immediately toward the next density node. You do not chase single stragglers. You do not full clear dead ends. When the Herald spawn message appears, you shift from farming mode to hunt mode and push into the highest density uncleared area you have left. Your Warlock should also carry a plan for immunities, because the worst outcome is stalling on a Herald or on a key elite pack that you need for trigger progress. That is why many players run an Act 2 merc with an aura setup that supports their damage type, and why runewords like Insight or higher end options become route multipliers rather than luxury items. If you do this correctly, you get more Herald kills per window, which means more Sunder Charm attempts and more high value drops in the same time.

Warlock Route Variant 3: Rune and Base Hunting 
If your goal is Diablo 2 runeword progress, you route differently. You still respect Terror Zones, but you add content that is historically strong for runes and for valuable base drops. The point is to create a loop that produces consistent tradable currency even when uniques are dry. Warlock does well here because dense packs generate more drop rolls, and your build can stay efficient even without heavy Magic Find stacking. In this route, you focus on areas with high monster count and fast resets, plus one or two high density endgame zones that can drop everything. The most important route skill is not damage. It is pathing speed and reset discipline. You want your runs short enough that you can repeat them without mental fatigue, but long enough that you are always killing in high density spaces rather than running through empty corridors. Your pickup rules also change. In rune and base mode, you pick fewer rares and more bases, especially high value socketable items used for runewords. Warlock should also run with enough survivability to avoid deaths, because dying is the fastest way to ruin rune farming efficiency in Season 13.

Terror Zones Alternatives
Some Terror Zones are simply inefficient layouts for Herald progress and elite density. The correct Season 13 response is to pivot into content that is always good, then come back when the next rotation hits a stronger zone. This is where classic D2R farming still carries the whole season. You want at least one route that you can run in your sleep, with minimal navigation overhead and consistent monster density. Warlock can use these routes as a bankroll engine, especially if you are still building toward premium runewords. The key is that your fallback route should not require the same resources as your Terror Zone route. If your Terror Zone plan depends on heavy potion usage and merc tanking, your fallback route can be something safer and more predictable where you can relax and still earn. This also helps your long session consistency, because you stop forcing Inefficient content and you protect your hourly rate. Many players lose massive value by stubbornly running a weak Terror Zone for 30 minutes, then logging off frustrated. A rotation adaptive player runs 10 minutes of a weak Terror Zone, recognizes the layout tax, pivots into a stable farm loop, and ends the session with more runes, more tradable drops, and less tilt.

Warlock Trick That Makes Farming Faster
Warlock routing becomes elite when you optimize micro decisions that reduce downtime. The first is movement. If you have Enigma, you use teleport to cut dead space and land directly on density nodes. If you do not have Enigma, you still build around movement through faster run walk, positioning skills, and avoiding map mistakes that force backtracking. The second is mana and casting uptime. If your build stops to chug potions constantly, your route collapses. This is why Insight is such a common merc runeword for farming, and why some players stick with it longer than expected. The third is survivability. A Warlock that kills fast but dies once per run is not fast. It is slow. You want capped resists, enough life to survive random spikes, and enough control to prevent swarms from pinning you. The fourth is pickup discipline. If you pick up everything, you spend your session managing inventory instead of farming. Warlock should pick up runes, charms, obvious uniques, and high value bases when in rune or base mode, then ignore the rest unless you are specifically MF farming. This is how you keep routes clean and repeatable.

One Session Template That Works for Almost Everyone
A reliable farming session in RotW Season 13 starts with a quick check of the current Hell Terror Zone and a fast decision about whether it is worth committing. If the zone is dense and easy to traverse, run it as your main content and prioritize elites to trigger Heralds. If it is inefficient or too difficult, do one short Terror Zone pass for quick value and then switch to your stable level 85 base loop until the rotation changes. Run strong Terror Zones aggressively for Heralds, pivot to a level 85 farming place when the Terror Zone is weak, and add a rune and base farming route whenever you need progress toward runewords, then repeat the cycle. This template protects your average results so weak rotations still generate steady profit while strong rotations can be fully exploited without breaking your farming rhythm.

Conclusion
The best RotW farming routes are not a single map or a single trick. They are a rotation adaptive system built around Hell Terror Zones, elite density, and stable fallback loops that keep your hourly value high. Warlock is one of the best classes to run this system because it clears dense packs efficiently, handles ugly elite modifiers well when built correctly, and scales hard with classic Diablo 2 runewords like Enigma, Insight, and Call to Arms. If your goal is Sunder Charms, you run the Herald focused Terror Zone loop and prioritize elites. If your goal is runeword progress, you run a rune and base hunt and pick up high value socketables. If the active Terror Zone is weak, you pivot into a level 85 base run and keep earning instead of forcing bad content. Run the system, not the map, and your results in Season 13 improve immediately.