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Comment by Medievaldragon

This NPC is part of the Mechagon's Rest in Pistons achievement.

Mechagonian Nullifier - 56.88 52.10 (Junkwatt Depot: Requires Smashed Transport Relay, which has a small drop rate from minions that spawn for 1 minute during Gemicide's Drill Rig DR-JD99 drilling.
Mecharantula -- 87.90 19.60 (Sparkweaver Point)
Paol Pondwader -- 22.02 69.17 (Roams the north side of the second-most big isles in Western Spray. Only seems to spawn when Reclamation project and/or Flame Turret projects are available)
Arachnoid Harvester -- 51.69 41.57 (southwest of Bondo's Yard)
Fungarian Furor -- Only spawns when Mylune is in Rustbolt with daily quest: Aid from Nordrassil. Follow the link to learn how to summon him.
Deepwater Maw -- 37.28 43.82 (Toothy Shallows: Requires Hundred Fathom Lure to spawn)
Bonepicker 65.90 26.94 (Sourback Hideout cave)
Uncle T'Rog - 58.65 23.58
Motobrain Spider -- 80.14 24.84 (Sparkweaver Point: patrols north to south of the coordinates, near the cave)
Malfunctioning Beastbot -- 60.66 42.22 (Bondo's Yard: Spawns as a neutral giant mech-gorilla. Requires: Beastbot Powerpack to turn him on. First timer? Blueprint: Beastbot Powerpack at 60.93 41.57)
Earthbreaker Gulroc -- 63.03 25.68 (Only spawns when Drill Rig construction projects are available. Drill Rig DR-TR35. Scrapbone's Hollow cave in Scrapbone Den)
Gemicide -- 59.78 67.05 (Requires: Drill Rig costruction project. Cave, south of Junkwatt Depot's wall)
Boilburn -- (a cave north of the Junkwatt Depot's wall. Only spawns when Drill Rig construction projects are available. Drill Rig DR-JD41. Drops Blueprint: Scrap Trap)
Steel Singer Freza -- 25.29 77.55 (Western Spray)
Mr. Fixthis - 61.25 60.49 (Junkwatt Depot)
Oxidized Leachbeast
The Rusty Prince - 57.21 58.38 (Future Mechagon: Junkwatt Depot)
Caustic Mechaslime -- 66.46 58.81 (The Outflow: Only spawns when Drill Rig construction projects are available. Drill Rig DR-CC73. Inside the Crumbling Cavern)
The Scrap King -- 72.27 50.12 (The Heaps)
Jawbreaker -- 77.26 44.68 (The Heaps)
Rumblerocks -- 38.21 53.02 (Inside the Rustrock Cavern in Toothy Shallows)
Killsaw -- 41.26 34.88 (The Fleeting Forest)
Foul Manifestation - 66.11 50.10 (The Heaps: follow the link to learn how to summon him.)
Rocket
Boggac Skullbash -- 55.64 26.37 (Scrapbone Den: only spawns during Drill Rig construction projects)
Seaspit -- 19.25 80.26 (Western Spray: drops Blueprint: Rustbolt Kegerator)
Rustfeather -- 64.13 78.86 (The Outflow: top of mountain)
Crazed Trogg -- 81.94 21.35 -- (Tinted Cave in Sparkweaver Point. He is friendly. Follow the link to learn how to turn him hostile)
Ol' Big Tusk -- 56.22 35.92 (Requires Drill Rig construction project. Drill Rig DR-TR28)
Oxidized Leachbeast
The Kleptoboss -- 68.39 48.27 (The Heaps: only spawns when Drill Rig construction projects are available. Drill Rig DR-CC88. Inside the underground Crumbling Cavern)
Gear Checker Cogstar (Only spawns when a certain amount of Upgraded Sentry are killed. They say "Bzzt... unit defeated... request immediate support... Szzt. Cogstar yells: Distress message received! Gear Checker Cogstar reinforcing target area." He spawns where that last Upgraded Sentry died)
Armored Vaultbot -- 50.08 46.46 (The Fleeting Forest: roams northwest to southeast of these coordinates. He is immune. Follow the link to learn how to kill him. Drops: Blueprint: Armored Vaultbot Key)
Enforcer KX-T57 - 52.98 62.38 (Junkwatt Depot)
Gorged Gear-Cruncher -- 72.85 54.06 (The Heaps: Only spawns when Drill Rig construction projects are available. Drill Rig DR-CC61. Inside the Crumbling Cavern)

Comment by varenne

Killsaw rare is located in The Fleeting Forest Mechagon.
Part of the Rest In Pistons achievement

He can be anywhere in the The Fleeting Forest, there is multiple spots, so just run around and search for him if you really need this rare.

Loot: Mechagonian Sawblades toy
For TomTom users:
/way 41.32 35.07 Killsaw

Location video: https://www.youtube.com/watch?v=JbUNrdQXtzs

Comment by jodmos

The dailies today were for Venture company in the area and he doesn't seem to be spawning.

Spawned the past two days (Chromie and Aid nordrassil)

Comment by Peredhil

Confirm not spawning in the day with Venture invasion quest.

Comment by Nekyr

He felt like he had a way longer spawn time than other rares while flying around the forest waiting for him, seeing several same rare call outs before seeing him, so it got me thinking about whats different. While I can't be certain, I believe killing Sawblade Clearcutters has a chance to be Killsaw on respawn. (Which would also explain why he couldn't be up during venture co daily, since Sawblade Clearcutters couldn't be up)

Comment by Lahshen

Killsaw has a chance to span when you kill the Sawblade Clearcutter mobs in the area. Can verify this after doing it on 4 separate toons this morning; it took about 10-20 mins of farming before he spawned. So this also explains why he won't spawn on days when the Venture company is up.

Comment by s4mourai

do i force spawn him? saw/read wowhead ppl say they kill 5-6 robots at his area and he spawn.

i kill on dk that has mecha trinket and hack card, like 100 over and hour and never spawn, just randomly

if i can force spawn him. do i need the trinket or just go there and kill

or i just w8 over an hour (that i have notice is his respawn) and look pretty?

cheers.

Comment by Metushelah

The most annoying rare ever.
Probably has some sort of cutter count like king gakula because i have been waiting for an hour and a half, killing clearcutter from time to time and it didn't spawn. This is just bogus.

Comment by Saelorion

Venture company can not be present. He doesn't spawn when they are around.

Comment by Lazereth

He de-spawned while my wife and I were killing him, not sure if others had that experience.

Comment by HalfBloodNord

After 3+ weeks of consistently farming this guy on two characters for the toy Mechagonian Sawblades , I am thoroughly convinced that the drop rate stat is "off". Which has prompted me to install the wowhead client in order to help provide a more accurate experience. ;)

Comment by Lolcanthrope

I've been looking for this guy for a while now only to discover that he is NOT a typical rare; as in, he does not appear on the minimap as a star and thus will not trigger most rare scanners. You're going to have to physically look or macro :) He spawned at 38, 42 for me.

Update: I've seen him as both a silver dragon rare (during the aid from nordrassil quests day) and normal mob - when I killed him as a normal mob he still counted for my achievement. I would simply keep an eye out for both.

Comment by ehnaton

Focus-farmed the toy he drops on multiple alts. Was averaging 5 kills/day and got it roughly after 50 kills (random encounters since Mechagon release + focused farm over last couple of weeks).

Experienced following scenarios:

1) rare up when I arrive;
2) rare spawns after just a few kills (<10);
3) rare spawns after ~1h+ of non stop killing (100+ robots);
4) rare just pops when i kill a dozen robots and hang in the air for 5-30 min (a few times it was a dead shard in the middle of the night).

So most likely he spawns when two conditions are met: hidden timer + amount of robot kills (see #4 above).

Tips:

a) Tracking addons help. For example, with Tom Cat's Tours, you can see his spawn on a map without flying around. When you hang above the road leading to the shore, "crossed swords" icon is visible even in the pocket next to Arachnid Harvester - no need to move. Just sit there with the map open.

b) If you farm on multiple alts - maximize your shards: either use toons from different servers or split them between warmode On/Off shards. Then you just go through the list mixing different shards in to avoid hidden timer.

At the end my most efficient tactic was to kill ~10 robots then afk with world map open above the road leading to the shore. Once rare spawns, kill it and switch shard (different server or different warmode setting to avoid hidden timer). Alternatively, if rare doesn't spawn right away after 10 kills you can try opposite warmode shard (guaranteed to be different from current one) to check if hidden timer expired there, then come back.

Comment by qaccy

Considering this NPC has its own spawn locations distinct from the Sawblade Clearcutters in the area and it doesn't announce when it spawns like Gear Checker Cogstar does, that tells me it's just a normal rare with a fairly long respawn. The only link to the Clearcutters seems to be that Killsaw also won't spawn on days the Venture Co. is in the area, but I think that's just because every NPC in the area is replaced and Killsaw's included.

Comment by ebonarcana

No one was clearing Sawblade Clearcutters and Killsaw spawned. Probably just a long respawn time on non-venture co days.

Comment by Mydge

Having sat here each day for about 3 weeks solid I offer the following reasonably accurate information:

* Spawn timer seems to be about 2 hours (I have seen shorter and longer, but 2 hours was most common)
* Wait at location 42.42, 39.21 in stealth and none of the patting mobs will attack or see you
* Rare Scanner picks Killsaw up in almost every location sitting here
* I did die sometimes if people ran mobs over me while I was tabbed out and they hit me on the way through

Comment by levander28

From my observations of camping him on multiple toons he has a minimum spawn timer of 45 minutes and does not require Clearcutter kills, I've had multiple spawns in areas that had all clearcutter mobs present.

Comment by WeeElune

6/3/2021

My friend needed Killsaw for the "Rest in Pistons" achievement. I had read another commenter say that killing Sawblade Clearbutters can force spawn Killsaw, and it takes 15 to 20 or so minutes. We arrived at the spawning zone and my friend and I started to kill Clearcutters (very quick respawn). 20 minutes of back to back killing them yielded nothing, no spawn. We literally almost gave up and I said "how about another 5 minutes, it's possible we could be close." Not even 5 minutes later of killing some more Clearcutters Killsaw spawned. Got the kill for him.

NOTE: Some rares will yell when they spawn or are about to appear on the map. Harvester, Seaspit, and another trogg rare do this. Killsaw DID NOT. My friend simply spotted Killsaw on the minimap as a gold star, hovered over the star and confirmed it was him.

Comment by Nolaire

Spent 40 minutes of straight killing Sawblade Clearcutters and it finally spawned

Comment by apinchofhope

Explorer's log, day 1476: Another day of culling the Sawblade Clearcutter population in an attempt to draw out their elusive leader, Killsaw. Another day of fruitless efforts.

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Killsaw

This NPC can be found in Mechagon (50).

Killsaw

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