The bug
Zoglins seems to consider lava as a danger to them and will prevent them from pathfinding through lava, even though zoglins are undead nether mobs that resistant to the fiery depths of the Nether.
Linked issues
relates to 2
Attachments
Comments 3
Can't replicate in In 1.16 Pre 3, Zoglins launch themselves right into lava lakes to attack things and pathfind through small streams of it
Relates to MC-13497, MC-172221 and MC-145672.