500kg is hardly a team Killer, that's the cluster Strike.
Futhermore, with the recent data mining it turns out that Nursing/Bile Spewers and Bile Titans spit attack is considered explosive, and that due to the split between direct damage and explosive damage; it's actually better to run Extra Padding rather than Explosive Resistance against bots.
Explosive Resistance you should only use if you really hate the bugs spit attacks.
Futhermore, with the recent data mining it turns out that Nursing/Bile Spewers and Bile Titans spit attack is considered explosive, and that due to the split between direct damage and explosive damage; it's actually better to run Extra Padding rather than Explosive Resistance against bots.
Explosive Resistance you should only use if you really hate the bugs spit attacks.