When standing next to this (see video) specific wall close to the Amber Hand's Yellow lane urn delivery spot, the Garage/Double Sinner building stops being rendered (culled, i imagine).
On the video below, Infernus and Lady Gheist are on the inside of the building, while doorman is to the right...
So this vent pointing to green lane near the Saphire Flame's blue lane Guardian doesn't properly push you if you climb the wall perpendicular to the direction its pointing at. This isnt exclusive to testing mode, it can happen in a match (and its really annoying). From my testing no other vent...
As you can see in the below screenshot, the news stand in the hideout doesn't contain the newest patch in its Recent Updates list, there was a patch released today and its still not there :( , maybe its just a bit slow, seeing as its quite an old pc...
Theres a hole in the skybox close to the amber hand church area, on the yellow lane.
You can climb on top of the skybox using things like majestic leap, magic carpet, ivy ult, pocket cloak, vindicta flight, etc.
You can shoot down the hole and throw abilities down on the "normal map".
Pictured...
The Alchemical Fire's Active effect says it reduces bullet resistance, this is not the case on structures, an item like Bullet Resist Shredder on the other hand does.
Video 1 compares the damage of 33 of Ivy's bullets against a guardian.
Total Bullet damage without Alchemical Fire: 132
Total...