Forge version: forge-1.12.2-14.23.2.2611-universal
Twilight Forest version:Twilight Forest - MC 1.12.2 - 3.6.345
Link to crash log: (please use a paste site such as gist, do not attach the .txt or paste the log inline)

Steps to reproduce:
1.

What I expected to happen:Natural Hydra will be killing the game player

What happened instead:But he wouldn't hit me if he couldn't get it
Feedback from Chinese players

English may not be very good
Hydra motionless, a generation is static in the creation mode
The following is my module：
FastLeafDecay—叶子快速腐烂
InventoryTweaks——R键整理
Iron Chests 更多箱子
Just Enough Items——JEI物品管理器
JourneyMap——旅行地图
Mob Grinding Utils-刷怪塔实用设备
[Neat——简洁的血条
OptiFine——高清修复
[-SimpleOres]一个神奇的矿石MOD
SlashBlade——拔刀剑
TheTwilightForest——暮色森林
VeinMiner——矿脉矿工
Waila Harvestability-Waila的更多信息矿物显示辅助
IC2_experimental-工业2实验版
TinkersConstruct——匠魂
Chinjufu——镇守府
Forestry——林业
MrCrayfish's Furniture - 家具
Yarr Cute Mob Models 怪物娘化
Applied Energistics 2——应用能源2
NotEnoughItems] NEI 内置合成表
CustomSkinLoader——万用皮肤补丁+正版可正常显示
The Heartwork——心血结晶，拔刀剑拓展
BuildCraft建筑
[Iron Tanks----铁储罐]
Botania---植物魔法
水晶花园——植物魔法的空岛模式 植物魔法拓展
Environmental Tech-环境技术
Wearable Backpacks——科学背包
The right display is Chinese, please ignore

This situation exists only in the Sponge server and does not exist in a single person mode.

Duplicate of #313

Open config/sponge/global.conf and set the max-bounding-box-size to 6000 or higher, or 0.

Sponge's default maximum bounding box is too low for the Hydra.