Main.java:2: error: class, interface, or enum expected
    public void onDeath(DamageSource cause) {
           ^
Main.java:4: error: class, interface, or enum expected
        if (!this.world.isRemote) {
        ^
Main.java:6: error: class, interface, or enum expected
                boolean shatterGem = cause.isExplosion() ? true : this.rand.nextInt(20) == 0;
                ^
Main.java:7: error: class, interface, or enum expected
                boolean poofGem = true;
                ^
Main.java:8: error: class, interface, or enum expected
                if (cause.getTrueSource() instanceof EntityLivingBase) {
                ^
Main.java:10: error: class, interface, or enum expected
                        poofGem = false;
                        ^
Main.java:11: error: class, interface, or enum expected
                    } else {
                    ^
Main.java:13: error: class, interface, or enum expected
                        ItemStack heldItem = attacker.getHeldItemMainhand();
                        ^
Main.java:14: error: class, interface, or enum expected
                        if (heldItem.getItem() != ModItems.SEPTER) {
                        ^
Main.java:16: error: class, interface, or enum expected
                            if (heldItem.isItemEnchanted()) {
                            ^
Main.java:18: error: class, interface, or enum expected
                            }
                            ^
Main.java:21: error: class, interface, or enum expected
                            cause = new PoofDamage();
                            ^
Main.java:22: error: class, interface, or enum expected
                            stack.setItemDamage(0);
                            ^
Main.java:23: error: class, interface, or enum expected
                            shatterGem = false;
                            ^
Main.java:24: error: class, interface, or enum expected
                            poofGem = false;
                            ^
Main.java:25: error: class, interface, or enum expected
                        }
                        ^
Main.java:29: error: class, interface, or enum expected
                    <errored>shatterGem = false;
                    ^
Main.java:30: error: class, interface, or enum expected
                    <errored>poofGem = false;
                    ^
Main.java:31: error: class, interface, or enum expected
                }
                ^
Main.java:33: error: class, interface, or enum expected
                if (<errored>shatterGem) {
                ^
Main.java:35: error: class, interface, or enum expected
                    <errored>stack = new ItemStack(this.droppedShatteredGemItem);
                    ^
Main.java:36: error: class, interface, or enum expected
                    cause = new ShatterDamage();
                    ^
Main.java:37: error: class, interface, or enum expected
                    <errored>stack.setItemDamage(0);
                    ^
Main.java:38: error: class, interface, or enum expected
                } else if (poofGem) {
                ^
Main.java:40: error: class, interface, or enum expected
                    cause = new PoofDamage();
                    ^
Main.java:41: error: class, interface, or enum expected
                    <errored>stack.setItemDamage(60);
                    ^
Main.java:42: error: class, interface, or enum expected
                }
                ^
Main.java:47: error: class, interface, or enum expected
                        }
                        ^
Main.java:52: error: class, interface, or enum expected
                    this.entityDropItem(<errored>stack, 0.0F);
                    ^
Main.java:53: error: class, interface, or enum expected
                }
                ^
Main.java:55: error: class, interface, or enum expected
    }
    ^
31 errors