Defender Level 4 200 The Defender level 4 is a tradable item. This item is only obtainable via upgrades. You will gain an extra Experience Gain boost of 1.4x. Source Defender Level 4 can be obtained in the following ways: Buying from other players POS Upgrading a Defender level 3 with Elite Titan Fragments. See also Upgrade Machine Moved from the Bethlehem317 Wiki on Fandom (see the original page for its full edit history). Written by Ibehiding, Kostaskz, Player0011. Text licensed under CC BY-SA 3.0.