Fighting a bugged Dyna Boss in CAV caused whole server to lag - cleared as soon as Dyna died #1917

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opened 2026-02-12 04:44:26 +00:00 by Ghostimage · 2 comments

https://bytebin.project-rk.com/PagZnkQv

Reproduction steps

  1. Start a fight with a dyna boss - pulled using taunt tool (in my case "Voronfang the Brood Mistress")
  2. It initiates the fight back, e.g. comes over to me but doesn't attack (no damage, no "missed" messages - just not attacking)
  3. Watch whole server lag out - plenty of people on Global commenting on bad server lag.
  4. As soon as bugged Dyna dies - server restores, like it never happened.

Expected results

The mob should have attacked me and the server should not have lagged.

Actual results

This was at 04:30 GMT, I was in CAV at the 130 Dyna (Spider Boss, Pos: 846.2, 2390.1, 41.0)

When I attacked the Dyna (pulled using Taunt) and started fighting I noticed it wasn't trying to hit me at all. As soon as the fight started the whole server began to lag quite badly (various people commented on Global).

As soon as the Dyna died (and I mean, to the exact second) the server recovered instantly. Pretty sure the bugged Dyna was causing the lagging some how.

Bug prevalence

Only once. Will see if it repeats if I get another bugged "non-attacking" Dyna.

Description & Attachments

Nothing more to add.

### Report link https://bytebin.project-rk.com/PagZnkQv ### Reproduction steps 1. Start a fight with a dyna boss - pulled using taunt tool (in my case "Voronfang the Brood Mistress") 2. It initiates the fight back, e.g. comes over to me but doesn't attack (no damage, no "missed" messages - just not attacking) 3. Watch whole server lag out - plenty of people on Global commenting on bad server lag. 4. As soon as bugged Dyna dies - server restores, like it never happened. ### Expected results The mob should have attacked me and the server should not have lagged. ### Actual results This was at 04:30 GMT, I was in CAV at the 130 Dyna (Spider Boss, Pos: 846.2, 2390.1, 41.0) When I attacked the Dyna (pulled using Taunt) and started fighting I noticed it wasn't trying to hit me at all. As soon as the fight started the whole server began to lag quite badly (various people commented on Global). As soon as the Dyna died (and I mean, to the exact second) the server recovered instantly. Pretty sure the bugged Dyna was causing the lagging some how. ### Bug prevalence Only once. Will see if it repeats if I get another bugged "non-attacking" Dyna. ### Description & Attachments Nothing more to add.
Ghostimage added the
type
bug
state
new
labels 2026-02-12 04:44:26 +00:00
Author

I killed a few more respawns on the same spot, none of them had the "no attack" bug and no lag happened during the fights.

I killed a few more respawns on the same spot, none of them had the "no attack" bug and no lag happened during the fights.
Member

Ive had a little look when the population was sat at 129, no one mentioned lag in global and everything seemed smooth. Perhaps coincidental timing?

Ive had a little look when the population was sat at 129, no one mentioned lag in global and everything seemed smooth. Perhaps coincidental timing?
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Reference: prk/issues#1917
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