Only some mods have been updated for tModLoader v0.11. Sorry for any inconvenience.
 
Calamity Nerf
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Filename: CalamityNerf.tmod
Version: v0.2
Downloads: 26511
Last Update: 2019-01-21 00:56:32
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This mod has not been updated for tModLoader v0.11 and will not work.
Description
This mod will try to make Calamity's balance more along the lines of vanilla Terraria balance.
Items have their damage and defense reduced by 20%
NPCs have their health, damage and defense reduced by 20%

Changelog
v0.2* Removed speed nerf as it wasn't really necessary.